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    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>990225259</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>WAIKIKI SWIM CLUB</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>WAIK</BusinessNameControlTxt>
      <PhoneNum>8082216749</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO Box 11755</AddressLine1Txt>
        <CityNm>HONOLULU</CityNm>
        <StateAbbreviationCd>HI</StateAbbreviationCd>
        <ZIPCd>96828</ZIPCd>
      </USAddress>
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      <PersonNm>HANU DELMENDO</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>8082216749</PhoneNum>
      <SignatureDt>2026-04-04</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>https://waikikiswimclub.org</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="7">X</Organization501cInd>
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      <GrossReceiptsAmt>93346</GrossReceiptsAmt>
      <ProgramServiceRevenueAmt>90122</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>3224</MembershipDuesAmt>
      <TotalRevenueAmt>93346</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>1400</GrantsAndSimilarAmountsPaidAmt>
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      <TotalExpensesAmt>89464</TotalExpensesAmt>
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      <NetAssetsOrFundBalancesBOYAmt>56013</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>59895</NetAssetsOrFundBalancesEOYAmt>
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      <PrimaryExemptPurposeTxt>See Schedule O</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE ORGANIZATION CONDUCTS OCEAN SWIM RACES AND BIATHLONS ON THE ISLAND OF OAHU</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>76041</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE ORGANIZATION PROMOTS SWIMMING IN HAWAII AND OCEAN EDUCATION THROUGH ITS ANNUAL BANQUET AND SOCIAL EVENTS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>12023</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE ORGANIZATION PROVIDES SUPPORT TO OTHER SWIMMING RELATED ORGANIZATIONS AND OTHER NON-PROFIT ORGANIZATIONS</DescriptionProgramSrvcAccomTxt>
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      <OfficerDirectorTrusteeEmplGrp>
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      <OfficerDirectorTrusteeEmplGrp>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
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      <OfficerDirectorTrusteeEmplGrp>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">CLAIRE MADELINE HILTZ</PersonNm>
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      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
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        <PersonNm>HANU DELMENDO</PersonNm>
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          <CityNm>AIEA</CityNm>
          <StateAbbreviationCd>HI</StateAbbreviationCd>
          <ZIPCd>96701</ZIPCd>
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        <PhoneNum>8082216749</PhoneNum>
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      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
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      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III - ORGANIZATION'S PRIMARY EXEMPT PURPOSE</FormAndLineReferenceDesc>
        <ExplanationTxt>TO PROMOTE SWIMMING IN HAWAII AND SUPPORT OTHER ORGANIZATIONS WHICH SUPPORT SWIMMING</ExplanationTxt>
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