﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-11-17T13:17:16-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>043407466</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ELIZABETH A PINEAULT PC CPA</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>PO BOX 1382</AddressLine1Txt>
        <CityNm>MARSHFIELD</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>020501382</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>043160060</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>ONSET BAY ASSOCIATION INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>ONSE</BusinessNameControlTxt>
      <PhoneNum>5082957072</PhoneNum>
      <USAddress>
        <AddressLine1Txt>196 ONSET AVENUE PO BOX 799</AddressLine1Txt>
        <CityNm>ONSET</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02558</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KATHLEEN MARIE JONES</PersonNm>
      <PersonTitleTxt>DIRECTOR</PersonTitleTxt>
      <PhoneNum>5082957072</PhoneNum>
      <SignatureDt>2025-11-16</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>ELIZABETH A PINEAULT CPA</PreparerPersonNm>
      <PTIN>P00348397</PTIN>
      <PhoneNum>7818340400</PhoneNum>
      <PreparationDt>2025-11-16</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc3" referenceDocumentId="RetDoc4">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <WebsiteAddressTxt>WWW.ONSETBAY.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc5">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>92110</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>66069</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>26041</ProgramServiceRevenueAmt>
      <TotalRevenueAmt>92110</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>18250</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>7940</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>20</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>82311</OtherExpensesTotalAmt>
      <TotalExpensesAmt>108521</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-16411</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>56124</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>39713</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>50554</BOYAmt>
        <EOYAmt>27349</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>15027</BOYAmt>
        <EOYAmt>18112</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>65581</BOYAmt>
        <EOYAmt>45461</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>9457</BOYAmt>
        <EOYAmt>5748</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>56124</BOYAmt>
        <EOYAmt>39713</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO ENHANCE THE QUALITY OF LIFE IN THE ONSET VILLAGE AREA BY PROMOTING CULTURAL AND BEAUTIFICATION ACTIVITIES</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>ONSET BAY ASSOCIATION, INC. TYPICALLY HOLDS OVER 30 ARTS AND PERFORMANCE EVENTS FOR LOCAL ARTISTS AND MUSICIANS TO ENHANCE THE QUALITY OF LIFE IN THE ONSET VILLAGE AREA. EVENTS ARE NO/LOW COST ADMISSIONS FOR LOW TO MODERATE INCOME PEOPLE.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>94607</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>94607</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JANNETTE GERIBO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PATRICK MARSHALL</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>REBECCA HEMSLEY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KRISTI CORNUET</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TIMOTHY BIGELOW</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PETER SCRENCI</PersonNm>
        <TitleTxt>CLERK</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KATHLEEN MARIE JONES</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>AMELIA HOUDE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PATRICIA HACKETT-TURNER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERT CAMMARANO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DEB ALFONSO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STEVE AZIZ</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>TIMOTHY BIGELOW</PersonNm>
        <USAddress>
          <AddressLine1Txt>196 ONSET AVE PO BOX 799</AddressLine1Txt>
          <CityNm>ONSET</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02558</ZIPCd>
        </USAddress>
        <PhoneNum>5082957072</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc5">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>69078</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>66399</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>101685</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>134678</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66069</CurrentTaxYearAmt>
        <TotalAmt>437909</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>69078</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>66399</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>101685</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>134678</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66069</CurrentTaxYearAmt>
        <TotalAmt>437909</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>437909</PublicSupportTotal170Amt>
      <TotalSupportAmt>437909</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>49107</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>1.00000</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>1.00000</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES ADVERTISING 11,291 OFFICE SUPPLIES 174 EVENT SUPPLIES 726 OTHER ADMINSTRATIVE EXP 260 TRAVEL 75 LIABILITY INSURANCE 11,363 BOARD OF DIRECTORS INSURANCE 688 DUES AND SUBSCRIPTIONS 404 CREDIT CARD FEES 40 ENTERTAINMENT 19,548 SEMINARS/MEETINGS 1,370 POLICE/EMT 3,357 PROGRAM SUPPLIES 13,340 STATE FILINGS 72 COMPUTER SOFTWARE 3,209 CONTRACTED LABOR 7,000 MEALS &amp; ENTERTAINMENT 637 MEMBERSHIP DUES 500 MISCELLANEOUS 423 PERMITS AND FEES 1,493 VENDORS EXPENSES 2,138 MEALS 3,904 MEMBERSHIP AND DUES 39 NON-INVESTMENT DEPRECIATION 260 TOTAL 82,311</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTS RECEIVABLE 0 100 PREPAID EXPENSES AND DEFERRED CHARGES 14,767 18,012 4,930 4,930 LESS ACCUMULATED DEPRECIATION 4,670 4,930 TOTAL 15,027 18,112</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 26</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTS PAYABLE AND ACCRUED EXPENSES 9,457 5,748</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ENHANCE THE QUALITY OF LIFE IN THE ONSET VILLAGE AREA BY PROMOTING CULTURAL AND BEAUTIFICATION ACTIVITIES</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>ONSET BAY ASSOCIATION, INC. TYPICALLY HOLDS OVER 30 ARTS AND PERFORMANCE EVENTS FOR LOCAL ARTISTS AND MUSICIANS TO ENHANCE THE QUALITY OF LIFE IN THE ONSET VILLAGE AREA. EVENTS ARE NO/LOW COST ADMISSIONS FOR LOW TO MODERATE INCOME PEOPLE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>