﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2018v3.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2019-11-14T14:33:44-06:00</ReturnTs>
    <TaxPeriodEndDt>2018-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>382902645</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>DIEMER ACCOUNTING &amp; TAX SERVICE INC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>165 DOUGLAS AVE</AddressLine1Txt>
        <CityNm>HOLLAND</CityNm>
        <StateAbbreviationCd>MI</StateAbbreviationCd>
        <ZIPCd>494246584</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2018-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>383582660</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>PENTWATER JUNIOR SAILING PROGRAM</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>PENT</BusinessNameControlTxt>
      <PhoneNum>2318698641</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 931</AddressLine1Txt>
        <CityNm>PENTWATER</CityNm>
        <StateAbbreviationCd>MI</StateAbbreviationCd>
        <ZIPCd>49449</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>SUE BAINTON</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>2318695342</PhoneNum>
      <SignatureDt>2019-11-14</SignatureDt>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>KENNETH DIEMER</PreparerPersonNm>
      <PTIN>P00497880</PTIN>
      <PhoneNum>6163964434</PhoneNum>
      <PreparationDt>2019-11-14</PreparationDt>
    </PreparerPersonGrp>
    <FilingSecurityInformation>
      <IPAddress>
        <IPv4AddressTxt>24.176.18.54</IPv4AddressTxt>
      </IPAddress>
      <IPDt>2019-11-14</IPDt>
      <IPTm>14:33:44</IPTm>
      <IPTimezoneCd>CS</IPTimezoneCd>
      <FilingLicenseTypeCd>P</FilingLicenseTypeCd>
      <AtSubmissionCreationDeviceId>46036438BAA07803E56A77B029F575A503BD8633</AtSubmissionCreationDeviceId>
      <AtSubmissionFilingDeviceId>46036438BAA07803E56A77B029F575A503BD8633</AtSubmissionFilingDeviceId>
    </FilingSecurityInformation>
    <TaxYr>2018</TaxYr>
    <BuildTS>2020-03-31 21:24:44Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc2" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>13010</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>5121</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>7811</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>78</InvestmentIncomeAmt>
      <TotalRevenueAmt>13010</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>5821</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>472</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>8654</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>2656</OtherExpensesTotalAmt>
      <TotalExpensesAmt>17603</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-4593</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>13532</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-92</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>8847</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>13119</BOYAmt>
        <EOYAmt>8108</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>413</BOYAmt>
        <EOYAmt>739</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>13532</BOYAmt>
        <EOYAmt>8847</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>13532</BOYAmt>
        <EOYAmt>8847</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>PROVIDE EDUCATIONAL INSTRUCTION IN SAILING FOR YOUTHS</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDE EDUCATIONAL INSTRUCTION IN SAILING FOR YOUTHS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>17603</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>TO PROVIDE COMMUNITY SUPPORT FOR THE RESIDENTS OF PENTWATER BY IMPROVING THE PARK FACILITIES TO ALLOW FOR SAILING AND BETTER PICNIC AREAS</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>17603</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SUE BAINTON</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LAURA BAKER</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LAURA BAKER</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BARB DAVIDSON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GENE DAVIDSON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOE PRIMOZICH</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RUTH FEUERSTEIN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</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>MI</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>SUE BAINTON</PersonNm>
        <USAddress>
          <AddressLine1Txt>7111 S HARBOR DRIVE</AddressLine1Txt>
          <CityNm>PENTWATER</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>49449</ZIPCd>
        </USAddress>
        <PhoneNum>2318695342</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="RetDoc4">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>530</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>200</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>770</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5249</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5121</CurrentTaxYearAmt>
        <TotalAmt>11870</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>530</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>200</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>770</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5249</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5121</CurrentTaxYearAmt>
        <TotalAmt>11870</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>11870</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>198</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>159</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>79</CurrentTaxYearMinus2YearsAmt>
        <TotalAmt>436</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>12306</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>17551</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.96460</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.91570</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES INSURANCE 1,550 EQUIPMENT REPAIRS 583 LICENSES, FEES &amp; DUES 125 BOAT FUEL 33 TELEPHONE EXPENSE 80 WEBSITE EXPENSE 124 P.O. BOX 50 BOAT SUPPLIES 70 BANK CHARGES 41 TOTAL 2,656</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20</FormAndLineReferenceDesc>
        <ExplanationTxt>BOOK / TAX DEPRECIATION DIFFERENCE -92</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>PREPAID EXPENSES AND DEFERRED CHARGES 0 417 37,777 37,777 LESS ACCUMULATED DEPRECIATION 37,364 37,455 1,818 1,818 LESS ACCUMULATED AMORTIZATION 1,818 1,818 TOTAL 413 739</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>