﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.5">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-07-06T13:45:28-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-08-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>134121847</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>KOMORSKY MASON ROTHSTEIN &amp; ASSOC CPA'S</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>331 NORTH MAIN STREET</AddressLine1Txt>
        <CityNm>NEW CITY</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>10956</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-09-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>270767431</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MONROE-WOODBURY DEVILFISH AQUATICS INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MONR</BusinessNameControlTxt>
      <PhoneNum>8457816803</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 219</AddressLine1Txt>
        <CityNm>HARRIMAN</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>10926</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>VALERIE BARDUNIAS</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>8457816803</PhoneNum>
      <SignatureDt>2026-06-26</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>ERIC TUNKS</PreparerPersonNm>
      <PTIN>P01989674</PTIN>
      <PhoneNum>8456348882</PhoneNum>
      <PreparationDt>2026-06-26</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.MWDEVILFISH.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>171392</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>1000</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>159478</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>1</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt>10913</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>3864</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>7049</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>167528</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>61006</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>25388</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>92218</OtherExpensesTotalAmt>
      <TotalExpensesAmt>178612</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-11084</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>92036</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>80952</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>92036</BOYAmt>
        <EOYAmt>80952</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>92036</BOYAmt>
        <EOYAmt>80952</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>92036</BOYAmt>
        <EOYAmt>80952</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>MONROE WOODBURY DEVILFISH AQUATICS, INC. OFFERS HIGH QUALITY COACHING AND INSTRUCTION WHILE PROMOTING PHYSICAL FITNESS ALONG WITH A HEALTHY AND ENJOYABLE COMPETITIVE ENVIRONMENT TO SWIMMERS OF ALL LEVELS OF ABILITY.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDE QUALITY COACHING/INSTRUCTION AND PHYSICAL FITNESS TO OVER 50+ PARTICIPANTS IN AN ENJOYABLE COMPETITIVE ENVIRONMENT WHILE ENCOURAGING EACH TEAM MEMBER TO REACH HIS OR HER FULL POTENTIAL</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>166942</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>166942</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>VALERIE BARDUNIAS</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TIANNA BAXTER</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LAURA BEEZER</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SARAH SANTORA</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ETHAN FERGUS</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>20.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>30300</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>LAURA BEEZER</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>68 PINEHURST CIRCLE</AddressLine1Txt>
          <CityNm>MONROE</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10950</ZIPCd>
        </USAddress>
        <PhoneNum>8457816803</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>0</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>15660</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>14070</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1640</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1011</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1000</CurrentTaxYearAmt>
        <TotalAmt>33381</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>101251</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>139185</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>192136</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>176285</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>170391</CurrentTaxYearAmt>
        <TotalAmt>779248</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>116911</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>153255</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>193776</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>177296</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>171391</CurrentTaxYearAmt>
        <TotalAmt>812629</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>812629</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>2</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1</CurrentTaxYearAmt>
        <TotalAmt>5</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>2</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1</CurrentTaxYearAmt>
        <TotalAmt>5</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>116913</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>153255</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>193777</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>177297</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>171392</CurrentTaxYearAmt>
        <TotalAmt>812634</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST INCOME. AMOUNT: 1.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: OFFICE EXPENSE. AMOUNT: 374. DESCRIPTION: TRAVEL. AMOUNT: 7,288. DESCRIPTION: INSURANCE. AMOUNT: 3,388. DESCRIPTION: CREDIT CARD FEES. AMOUNT: 5,069. DESCRIPTION: TEAM UNIFY. AMOUNT: 1,189. DESCRIPTION: POOL RENTAL. AMOUNT: 26,250. DESCRIPTION: PAYROLL TAXES. AMOUNT: 6,059. DESCRIPTION: MEET FEES. AMOUNT: 275. DESCRIPTION: USA REGISTRATION FEES. AMOUNT: 1,250. DESCRIPTION: TEAM APPAREL AND CAPS. AMOUNT: 688. DESCRIPTION: GIFTS. AMOUNT: 1,751. DESCRIPTION: SENIOR SCHOLARSHIP. AMOUNT: 900. DESCRIPTION: TEAM EVENTS &amp; PARTIES. AMOUNT: 11,970. DESCRIPTION: HOSTED MEET EXPENSE. AMOUNT: 25,702. DESCRIPTION: BANK CHARGES. AMOUNT: 15. DESCRIPTION: FEES &amp; PERMITS. AMOUNT: 50. TOTAL TO FORM 990-EZ, LINE 16: 92,218.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>