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  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationBalanceSheetTableTextBlock" id="cube_EquityMethodInvestmentSummarizedFinancialInformationBalanceSheetTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" id="cube_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockConversionRatio" id="cube_CommonStockConversionRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyTable" id="cube_ScheduleOfRealEstateInvestmentPropertyTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyAxis" id="cube_ScheduleOfRealEstateInvestmentPropertyAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateInvestmentPropertyDomain" id="cube_ScheduleOfRealEstateInvestmentPropertyDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateInvestmentPropertyLineItems" id="cube_RealEstateInvestmentPropertyLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRealEstatePropertiesAcquired" id="cube_NumberOfRealEstatePropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationsNumberOfRealEstatePropertiesSold" id="cube_DisposalGroupIncludingDiscontinuedOperationsNumberOfRealEstatePropertiesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSelfStorageFacilities" id="cube_NumberOfSelfStorageFacilities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsByTypeAxis" id="cube_SignificantAcquisitionsAndDisposalsByTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsByTypeDomain" id="cube_SignificantAcquisitionsAndDisposalsByTypeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet" id="cube_EquityMethodInvestmentSummarizedFinancialInformationInterestIncomeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" id="cube_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityMember" id="cube_CreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio" id="cube_DebtInstrumentCovenantTotalIndebtednessToTotalAssetValueRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantFixedChargeCoverageRatio" id="cube_DebtInstrumentCovenantFixedChargeCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRealEstatePropertiesOwnedAndOperated" id="cube_NumberOfRealEstatePropertiesOwnedAndOperated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountRestrictedUnitsValueIssued" id="cube_PartnersCapitalAccountRestrictedUnitsValueIssued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountRestrictedUnitsUnitIssued" id="cube_PartnersCapitalAccountRestrictedUnitsUnitIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountOptionUnitExercise" id="cube_PartnersCapitalAccountOptionUnitExercise" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountAmortizationOfRestrictedUnits" id="cube_PartnersCapitalAccountAmortizationOfRestrictedUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromUnitOptionsExercised" id="cube_ProceedsFromUnitOptionsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfGeneralPartnersUnits" id="cube_ProceedsFromIssuanceOfGeneralPartnersUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerShareAndStockholdersEquityNoteDisclosureAbstract" id="cube_EarningsPerShareAndStockholdersEquityNoteDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerShareAndStockholdersEquityNoteDisclosureTextBlock" id="cube_EarningsPerShareAndStockholdersEquityNoteDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableAggregateIntrinsicValue" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableAggregateIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SaleOfCommonStockPricePerShare" id="cube_SaleOfCommonStockPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition" id="cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateAcquisitionsAndImprovements" id="cube_RealEstateAcquisitionsAndImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateFullyDepreciatedAssets" id="cube_RealEstateFullyDepreciatedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateCostOfRealEstateSoldAndOtherDeductions" id="cube_RealEstateCostOfRealEstateSoldAndOtherDeductions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateGrossConstructionInProgress" id="cube_RealEstateGrossConstructionInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateAccumulatedDepreciationFullyDepreciatedAssets" id="cube_RealEstateAccumulatedDepreciationFullyDepreciatedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateAccumulatedDepreciationRealEstateSoldAndOtherDeductions" id="cube_RealEstateAccumulatedDepreciationRealEstateSoldAndOtherDeductions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationExpectedTimingOfDisposal" id="cube_DisposalGroupIncludingDiscontinuedOperationExpectedTimingOfDisposal" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityOfferingCostAbstract" id="cube_EquityOfferingCostAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityOfferingCosts" id="cube_EquityOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxAbstract" id="cube_IncomeTaxAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FederalExciseTaxRate" id="cube_FederalExciseTaxRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfCapitalGainConsideredForCalculationOfExciseTax" id="cube_PercentageOfCapitalGainConsideredForCalculationOfExciseTax" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateRevenueNetMember" id="cube_RealEstateRevenueNetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredSeniorNotesNet" id="cube_UnsecuredSeniorNotesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnsecuredSeniorNotesDisclosureAbstract" id="cube_UnsecuredSeniorNotesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredSeniorNotesDisclosureTextBlock" id="cube_UnsecuredSeniorNotesDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedLeverageRatio" id="cube_DebtInstrumentCovenantConsolidatedLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatio" id="cube_DebtInstrumentCovenantConsolidatedInterestCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantUnencumberedAssets" id="cube_DebtInstrumentCovenantUnencumberedAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedSecuredLeverageRatio" id="cube_DebtInstrumentCovenantConsolidatedSecuredLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRealEstatePropertiesSold" id="cube_NumberOfRealEstatePropertiesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSharesThatCanBeSoldUnderSaleAgreement" id="cube_NumberOfSharesThatCanBeSoldUnderSaleAgreement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsToAcquireNoncontrollingInterests" id="cube_PaymentsToAcquireNoncontrollingInterests" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfPriorYearTaxableIncomeConsideredForCalculationOfExciseTax" id="cube_PercentageOfPriorYearTaxableIncomeConsideredForCalculationOfExciseTax" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfOrdinaryIncomeConsideredForCalculationOfExciseTax" id="cube_PercentageOfOrdinaryIncomeConsideredForCalculationOfExciseTax" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDatePeriod" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDatePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccumulatedOtherComprehensiveIncomeLossRollForward" id="cube_AccumulatedOtherComprehensiveIncomeLossRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax" id="cube_OtherComprehensiveIncomeLossReclassificationAdjustmentOnInterestRateSwapAgreementsIncludedInNetIncomeNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForAdditionsAndImprovementsToRealEstate" id="cube_PaymentsForAdditionsAndImprovementsToRealEstate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRealEstatePropertiesToBeAcquired" id="cube_NumberOfRealEstatePropertiesToBeAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateInvestmentsRelatedJointVenturesMember" id="cube_RealEstateInvestmentsRelatedJointVenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HHFVentureMember" id="cube_HHFVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes4.375PercentDueOnDecember152023Member" id="cube_SeniorNotes4.375PercentDueOnDecember152023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OptionToPutOwnershipInterestInVenture" id="cube_OptionToPutOwnershipInterestInVenture" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RealEstateAndAccumulatedDepreciationCarryingAmount" id="cube_RealEstateAndAccumulatedDepreciationCarryingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AccretionOfLiability" id="cube_AccretionOfLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfFacilitiesUnderContract" id="cube_NumberOfFacilitiesUnderContract" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="GainLossOnSaleOfRealEstateProperties" id="cube_GainLossOnSaleOfRealEstateProperties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilitiesInUnitedStatesMember" id="cube_SelfStorageFacilitiesInUnitedStatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnsecuredCreditFacilityRevolverMember" id="cube_UnsecuredCreditFacilityRevolverMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionManagementFees" id="cube_RelatedPartyTransactionManagementFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueAdjustmentOfDebt" id="cube_FairValueAdjustmentOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest" id="cube_ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingRedeemableNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilitiesUnderConstructionMember" id="cube_SelfStorageFacilitiesUnderConstructionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConstructionCostExpected" id="cube_ConstructionCostExpected" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="NumberOfJointVentures" id="cube_NumberOfJointVentures" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes4.00PercentDueOnNovember152025Member" id="cube_SeniorNotes4.00PercentDueOnNovember152025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchasePriceAllocationAbstract" id="cube_PurchasePriceAllocationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsToAcquireBusinessesGrossAllocatedToAboveOrBelowMarketLeaseIntangibles" id="cube_PaymentsToAcquireBusinessesGrossAllocatedToAboveOrBelowMarketLeaseIntangibles" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity" id="cube_OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity" id="cube_OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionAcquisitionFees" id="cube_RelatedPartyTransactionAcquisitionFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilityInBronxNewYorkMember" id="cube_SelfStorageFacilityInBronxNewYorkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfNoncontrollingInterestsInSubsidiariesTableTextBlock" id="cube_ScheduleOfNoncontrollingInterestsInSubsidiariesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.125PercentDue2026Member" id="cube_SeniorNotes3.125PercentDue2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilityInBrooklynNewYorkMember" id="cube_SelfStorageFacilityInBrooklynNewYorkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HhfNortheastVentureMember" id="cube_HhfNortheastVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCapitalizedCostsForInvestmentsInStorageProperties" id="cube_ScheduleOfCapitalizedCostsForInvestmentsInStorageProperties" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VenturesMember" id="cube_VenturesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromVentureForRealEstateContribution" id="cube_ProceedsFromVentureForRealEstateContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CubesmartLPAndSubsidiariesMember" id="cube_CubesmartLPAndSubsidiariesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses" id="cube_EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RealEstateAggregateCostForFederalIncomeTaxPurposes" id="cube_RealEstateAggregateCostForFederalIncomeTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="JointVentureMember" id="cube_JointVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseDisclosureTextBlock" id="cube_LeaseDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes4.375PercentDue2029Member" id="cube_SeniorNotes4.375PercentDue2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContributionsFromNoncontrollingInterestsInSubidiaries" id="cube_ContributionsFromNoncontrollingInterestsInSubidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="HVPFourVentureMember" id="cube_HVPFourVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CSValleyForgeVillageStorageMember" id="cube_CSValleyForgeVillageStorageMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TaxBasisOfRealEstateAssets" id="cube_TaxBasisOfRealEstateAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SeniorNotes3.000PercentDue2030Member" id="cube_SeniorNotes3.000PercentDue2030Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerUnitReconciliationAbstract" id="cube_EarningsPerUnitReconciliationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCanceledInPeriodWeightedAverageRemainingContractualTerm" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCanceledInPeriodWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertySelfStorageFacilityUnderDevelopmentNumberOfUnits" id="cube_PropertySelfStorageFacilityUnderDevelopmentNumberOfUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CommitmentsAndContingenciesFutureMilestonePayments" id="cube_CommitmentsAndContingenciesFutureMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfShareReserveNotSubjectLimitation" id="cube_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfShareReserveNotSubjectLimitation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseBalanceSheetDisclosureTableTextBlock" id="cube_LeaseBalanceSheetDisclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HvpseventureMember" id="cube_HvpseventureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NoncashOrPartNoncashAcquisitionPropertiesAcquired" id="cube_NoncashOrPartNoncashAcquisitionPropertiesAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OptionToPutOwnershipInterestInVentureCashPortion" id="cube_OptionToPutOwnershipInterestInVentureCashPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes2.000PercentDue2031Member" id="cube_SeniorNotes2.000PercentDue2031Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RightOfUseAssetsFinanceLeasesMember" id="cube_RightOfUseAssetsFinanceLeasesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NashvilleTennesseeFiveDueJune2023Member" id="cube_NashvilleTennesseeFiveDueJune2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewYorkNewYorkDueJune2023Member" id="cube_NewYorkNewYorkDueJune2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AnnapolisMarylandOneDueMay2024Member" id="cube_AnnapolisMarylandOneDueMay2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BrooklynNewYorkFifteenDueMay2024Member" id="cube_BrooklynNewYorkFifteenDueMay2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongIslandNewYorkFourDueMay2024Member" id="cube_LongIslandNewYorkFourDueMay2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongIslandNewYorkTwoDueJuly2026Member" id="cube_LongIslandNewYorkTwoDueJuly2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongIslandNewYorkThreeDueAugust2026Member" id="cube_LongIslandNewYorkThreeDueAugust2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FlushingNewYorkTwoDueJuly2029Member" id="cube_FlushingNewYorkTwoDueJuly2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstatePropertyAcquisitionLandSubjectToGroundLease" id="cube_RealEstatePropertyAcquisitionLandSubjectToGroundLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtPrepaymentCosts" id="cube_DebtPrepaymentCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="WriteOffFullyDepreciatedRealEstateAssets" id="cube_WriteOffFullyDepreciatedRealEstateAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="WriteOffFullyAmortizedInPlaceLeaseIntangibleAssets" id="cube_WriteOffFullyAmortizedInPlaceLeaseIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CSViennaLlcOneMember" id="cube_CSViennaLlcOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DiscountOnIssuanceOfUnsecuredNotes" id="cube_DiscountOnIssuanceOfUnsecuredNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FinanceLeaseNonCashPortionOfInterestExpense" id="cube_FinanceLeaseNonCashPortionOfInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilityInArlingtonVirginiaMember" id="cube_SelfStorageFacilityInArlingtonVirginiaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HvpFiveVentureMember" id="cube_HvpFiveVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SH3LlcMember" id="cube_SH3LlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeaseAndFinanceLeasePayments" id="cube_OperatingLeaseAndFinanceLeasePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CSLockUpAnokaLimitedLiabilityCompanyMember" id="cube_CSLockUpAnokaLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RealEstateAcquisitions2021Member" id="cube_RealEstateAcquisitions2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilityInAnokaMinnesotaMember" id="cube_SelfStorageFacilityInAnokaMinnesotaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilityInEastMeadowNewYorkMember" id="cube_SelfStorageFacilityInEastMeadowNewYorkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SelfStorageFacilityInKingOfPrussiaPennsylvaniaMember" id="cube_SelfStorageFacilityInKingOfPrussiaPennsylvaniaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MinnesotaAssetApril2021Member" id="cube_MinnesotaAssetApril2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarylandAssetJune2021Member" id="cube_MarylandAssetJune2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewJerseyAndPennsylvaniaAssetsJuly2021Member" id="cube_NewJerseyAndPennsylvaniaAssetsJuly2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ColoradoAndNevadaAssetsSeptember2021Member" id="cube_ColoradoAndNevadaAssetsSeptember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NorthCarolinaAssetsSeptember2021Member" id="cube_NorthCarolinaAssetsSeptember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Dispositions2021Member" id="cube_Dispositions2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeValuationAdjustment" id="cube_DerivativeValuationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PlanMember" id="cube_PlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes2.500PercentDue2032Member" id="cube_SeniorNotes2.500PercentDue2032Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes2.250PercentDue2028Member" id="cube_SeniorNotes2.250PercentDue2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfShareBasedPaymentAwardRestrictedStockAndPerformanceStockValuationAssumptionsTableTextBlock" id="cube_ScheduleOfShareBasedPaymentAwardRestrictedStockAndPerformanceStockValuationAssumptionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RestrictedStockAndPerformanceSharesMember" id="cube_RestrictedStockAndPerformanceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherCorporateAssetsMember" id="cube_OtherCorporateAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FloridaAssetNovember2021Member" id="cube_FloridaAssetNovember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GeorgiaAssetNovember2021Member" id="cube_GeorgiaAssetNovember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PennsylvaniaAssetNovember2021Member" id="cube_PennsylvaniaAssetNovember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NevadaAssetDecember2021Member" id="cube_NevadaAssetDecember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IllinoisAssetDecember2021Member" id="cube_IllinoisAssetDecember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TexasAssetNovember2021Member" id="cube_TexasAssetNovember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetAcquisitionPartnershipUnitsAcquired" id="cube_AssetAcquisitionPartnershipUnitsAcquired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetAcquisitionUnitPrice" id="cube_AssetAcquisitionUnitPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SelfStorageFacilityInNewtonMassachusettsMember" id="cube_SelfStorageFacilityInNewtonMassachusettsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FontanaSelfStorageLlcMember" id="cube_FontanaSelfStorageLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RanchoCucamongaSelfStorageLlcMember" id="cube_RanchoCucamongaSelfStorageLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AstoriaInvestorsLlcMember" id="cube_AstoriaInvestorsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StorageWestAssetsDecember2021Member" id="cube_StorageWestAssetsDecember2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfSharesSoldPursuantToEquityDistributionAgreementsTableTextBlock" id="cube_ScheduleOfSharesSoldPursuantToEquityDistributionAgreementsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LaacoMember" id="cube_LaacoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredCostsCapitalizedAbstract" id="cube_AssetAcquisitionConsiderationTransferredCostsCapitalizedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentsToLongTermDebtAssumedAndRepaid" id="cube_PaymentsToLongTermDebtAssumedAndRepaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredTransactionCostOther" id="cube_AssetAcquisitionConsiderationTransferredTransactionCostOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredLessPostAcquisitionCosts" id="cube_AssetAcquisitionConsiderationTransferredLessPostAcquisitionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
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  <xsd:element name="ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedUnderAssetAcquisitionTableTextBlock" id="cube_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedUnderAssetAcquisitionTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EstimatedFairValueOfClubOperations" id="cube_EstimatedFairValueOfClubOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RealEstateRelatedAccumulatedDepreciation" id="cube_RealEstateRelatedAccumulatedDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MarylandAssetFebruary2022Member" id="cube_MarylandAssetFebruary2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RealEstateAcquisitions2022Member" id="cube_RealEstateAcquisitions2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Dispositions2022Member" id="cube_Dispositions2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OperatingLeaseLiabilityDerecognized" id="cube_OperatingLeaseLiabilityDerecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OperatingLeaseRightOfUseAssetDerecognized" id="cube_OperatingLeaseRightOfUseAssetDerecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TexasAssetJune2022Member" id="cube_TexasAssetJune2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GroundLeaseReceivable" id="cube_GroundLeaseReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SelfStorageFacilityInViennaVirginiaMember" id="cube_SelfStorageFacilityInViennaVirginiaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GroundLeaseIncomeRelatedParty" id="cube_GroundLeaseIncomeRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GeorgiaAssetJuly2022Member" id="cube_GeorgiaAssetJuly2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SelfStorageFacilityInValleyStreamNyMember" id="cube_SelfStorageFacilityInValleyStreamNyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LineOfCreditFacilityCommitmentFeePercentageAdjustment" id="cube_LineOfCreditFacilityCommitmentFeePercentageAdjustment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OneThousandSeventyFourRaritanRoadLlcMember" id="cube_OneThousandSeventyFourRaritanRoadLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OperatingPartnershipMember" id="cube_OperatingPartnershipMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThreeHundredAndFiftyMainStreetLlcMember" id="cube_ThreeHundredAndFiftyMainStreetLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RelatedPartyLeaseAgreementsMember" id="cube_RelatedPartyLeaseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RealEstateAcquisitions2023Member" id="cube_RealEstateAcquisitions2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Dispositions2023Member" id="cube_Dispositions2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GainLossOnInvoluntaryConversion" id="cube_GainLossOnInvoluntaryConversion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromInvoluntaryConversionNet" id="cube_ProceedsFromInvoluntaryConversionNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfOwnedSelfStorageProperties" id="cube_NumberOfOwnedSelfStorageProperties" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NewJerseyAssetDecember2023Member" id="cube_NewJerseyAssetDecember2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IllinoisAssetDecember2023Member" id="cube_IllinoisAssetDecember2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewRochelleInvestorsLlcMember" id="cube_NewRochelleInvestorsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfFacilitiesConstructionCompletedAndOpenedForOperation" id="cube_NumberOfFacilitiesConstructionCompletedAndOpenedForOperation" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ExciseTaxIncurred" id="cube_ExciseTaxIncurred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
