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  <xs:element id="swim_EffectiveIncomeTaxRateReconciliationAmortizationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationAmortizationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="swim_EffectiveIncomeTaxRateReconciliationPenaltiesAndFinesPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationPenaltiesAndFinesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="swim_DeferredTaxAssetsValuationAllowanceRollForward" abstract="true" name="DeferredTaxAssetsValuationAllowanceRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="swim_ValuationAllowanceDeferredTaxAssetDeductions" abstract="false" name="ValuationAllowanceDeferredTaxAssetDeductions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsFixedAssetForeign" abstract="false" name="DeferredTaxAssetsFixedAssetForeign" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsTradeReceivables" abstract="false" name="DeferredTaxAssetsTradeReceivables" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsDeductionForNetBusinessInterestExpenseInExcessOfInterestIncome" abstract="false" name="DeferredTaxAssetsDeductionForNetBusinessInterestExpenseInExcessOfInterestIncome" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsTransactionCosts" abstract="false" name="DeferredTaxAssetsTransactionCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsLeasingArrangements" abstract="false" name="DeferredTaxAssetsLeasingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsForeignTaxes" abstract="false" name="DeferredTaxAssetsForeignTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsDomesticTaxes" abstract="false" name="DeferredTaxAssetsDomesticTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxAssetsNoncurrent" abstract="false" name="DeferredTaxAssetsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxLiabilitiesNoncurrent" abstract="false" name="DeferredTaxLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_DeferredTaxLiabilitiesNetNoncurrent" abstract="false" name="DeferredTaxLiabilitiesNetNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_LiabilityForUncertainTaxPositions" abstract="false" name="LiabilityForUncertainTaxPositions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_NetReductionsToUncertainTaxPositionLiabilityResultingFromLapseOfApplicableStatuteOfLimitations" abstract="false" name="NetReductionsToUncertainTaxPositionLiabilityResultingFromLapseOfApplicableStatuteOfLimitations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_GrossReductionsToUncertainTaxPositionLiabilityResultingFromLapseOfApplicableStatuteOfLimitations" abstract="false" name="GrossReductionsToUncertainTaxPositionLiabilityResultingFromLapseOfApplicableStatuteOfLimitations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_IncomeTaxOnGrossReductionsToUncertainTaxPositionLiabilityResultingFromLapseOfApplicableStatuteOfLimitations" abstract="false" name="IncomeTaxOnGrossReductionsToUncertainTaxPositionLiabilityResultingFromLapseOfApplicableStatuteOfLimitations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_A2021OmnibusEquityPlanMember" abstract="true" name="A2021OmnibusEquityPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_ShareBasedCompensationIncomeTaxBenefitExpense" abstract="false" name="ShareBasedCompensationIncomeTaxBenefitExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_PerformanceTargetLevelPercentage" abstract="false" name="PerformanceTargetLevelPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="swim_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForExpectedPerformanceAchievement" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForExpectedPerformanceAchievement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="swim_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForExpectedPerformanceAchievementWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentForExpectedPerformanceAchievementWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="swim_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInPeriodUponEarningMaximumPerformanceLevel" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInPeriodUponEarningMaximumPerformanceLevel" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="swim_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodTable" abstract="true" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="swim_ScheduleOfEarningsPerShareBasicAndDilutedLineItems" abstract="true" name="ScheduleOfEarningsPerShareBasicAndDilutedLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="swim_SingleReportableSegmentMember" abstract="true" name="SingleReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_OtherCostOfRevenue" abstract="false" name="OtherCostOfRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_OtherSellingGeneralAndAdministrativeExpenses" abstract="false" name="OtherSellingGeneralAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_OtherGeographicAreasMember" abstract="true" name="OtherGeographicAreasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_LathamInvestmentHoldingsLpMember" abstract="true" name="LathamInvestmentHoldingsLpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_ProceedsFromSubsidiaryDistributionsToParent" abstract="false" name="ProceedsFromSubsidiaryDistributionsToParent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_RepurchaseProgramMember" abstract="true" name="RepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_LeasedFacilityAcquisitionMember" abstract="true" name="LeasedFacilityAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_FreedomPoolsMember" abstract="true" name="FreedomPoolsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="swim_NumberOfAssetsAcquired" abstract="false" name="NumberOfAssetsAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="swim_AssetAcquisitionAgreementAssetsAcquiredCurrentLeaseExpense" abstract="false" name="AssetAcquisitionAgreementAssetsAcquiredCurrentLeaseExpense" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="swim_AssetAcquisitionAgreementAssetsAcquiredPrepaidLeaseExpense" abstract="false" name="AssetAcquisitionAgreementAssetsAcquiredPrepaidLeaseExpense" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
