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  <xs:element id="wynn_GamingConcessionExtensionDemandBankGuarantee" abstract="false" name="GamingConcessionExtensionDemandBankGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_April2016RepurchaseProgramMember" abstract="true" name="April2016RepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_FiveAndOneOverFourPercentageSeniorNotesDueMay152027Member" abstract="true" name="FiveAndOneOverFourPercentageSeniorNotesDueMay152027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_RetailTermLoanAgreementMember" abstract="true" name="RetailTermLoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_FiveAndOneOverTwoPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentySixMember" abstract="true" name="FiveAndOneOverTwoPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentySixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_DebtInstrumentCovenantCompliancePeriod" abstract="false" name="DebtInstrumentCovenantCompliancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wynn_MacauOperationsMember" abstract="true" name="MacauOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_SaleOfStockConsiderationReceivedOnTransactionNetAmortizationOfDiscountAndPremium" abstract="false" name="SaleOfStockConsiderationReceivedOnTransactionNetAmortizationOfDiscountAndPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_GamingConcessionsExtensionTerm" abstract="false" name="GamingConcessionsExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wynn_AdjustedPropertyEbitda" abstract="false" name="AdjustedPropertyEbitda" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_GamingTaxExpenses" abstract="false" name="GamingTaxExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_SaleLeasebackTransactionGrossProceeds" abstract="false" name="SaleLeasebackTransactionGrossProceeds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_OtherOperatingCostsAndExpensesAbstract" abstract="true" name="OtherOperatingCostsAndExpensesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_RetailLeasesAndOtherMember" abstract="true" name="RetailLeasesAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_MassachusettsGamingLicenseMember" abstract="true" name="MassachusettsGamingLicenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_Changeinloyaltyprogramliabilities" abstract="false" name="Changeinloyaltyprogramliabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
