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  <xsd:element id="mar_NumberOfCustomerOwnedOrLeasedLodgingPropertiesManaged" name="NumberOfCustomerOwnedOrLeasedLodgingPropertiesManaged" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
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  <xsd:element id="mar_ProceedsFromRepaymentsOfCommercialPaperAndLongTermLinesOfCredit" name="ProceedsFromRepaymentsOfCommercialPaperAndLongTermLinesOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="mar_RelationshipWithMajorCustomerDisclosureAbstract" name="RelationshipWithMajorCustomerDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="mar_SelfInsuranceReserveForLossAndLossAdjustmentExpenseTextBlock" name="SelfInsuranceReserveForLossAndLossAdjustmentExpenseTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
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  <xsd:element id="mar_ShareBasedCompensationTaxBenefitFromCompensationExpenseOrRealizedFromExerciseOfStockOptions" name="ShareBasedCompensationTaxBenefitFromCompensationExpenseOrRealizedFromExerciseOfStockOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element id="mar_SharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognized" name="SharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mar_SheratonBuenosAiresHotelMember" name="SheratonBuenosAiresHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SheratonCentreTorontoHotelMember" name="SheratonCentreTorontoHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SheratonGrandChicagoHotelMember" name="SheratonGrandChicagoHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_St.RegisSanFranciscoMember" name="St.RegisSanFranciscoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_StarwoodHotelsResortsWorldwideInc.Member" name="StarwoodHotelsResortsWorldwideInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_SuretyBonds" name="SuretyBonds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mar_SwissFederalTaxAdministrationInlandRevenueAuthorityofSingaporeandAdministrationDesContributionsDirectesLuxembourgMember" name="SwissFederalTaxAdministrationInlandRevenueAuthorityofSingaporeandAdministrationDesContributionsDirectesLuxembourgMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" name="TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense" name="TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignandStateEarningsProvisionalIncomeTaxExpense" name="TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignandStateEarningsProvisionalIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_TimesSquareEditionMember" name="TimesSquareEditionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ValuationOfIntangiblesAndLongLivedAssetsPolicyTextBlock" name="ValuationOfIntangiblesAndLongLivedAssetsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_WestinMauiMember" name="WestinMauiMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>





