﻿<?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>2025-12-08T14:19:37-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-04-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>931601729</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ATLANTIC BLUE ADVISORS LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>34382 CARPENTERS WAY STE 6</AddressLine1Txt>
        <CityNm>LEWES</CityNm>
        <StateAbbreviationCd>DE</StateAbbreviationCd>
        <ZIPCd>199584919</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-05-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>510390279</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>COASTAL CONCERTS INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>COAS</BusinessNameControlTxt>
      <PhoneNum>8882126458</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 685</AddressLine1Txt>
        <CityNm>LEWES</CityNm>
        <StateAbbreviationCd>DE</StateAbbreviationCd>
        <ZIPCd>19958</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>PETER ZOLL</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <SignatureDt>2025-12-04</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>SARAH E DILL</PreparerPersonNm>
      <PTIN>P01524540</PTIN>
      <PhoneNum>3026445990</PhoneNum>
      <PreparationDt>2025-12-04</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc2" referenceDocumentId="RetDoc3">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <WebsiteAddressTxt>WWW.COASTALCONCERTS.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>175280</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>84110</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>87317</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>3853</InvestmentIncomeAmt>
      <TotalRevenueAmt>175280</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>5750</GrantsAndSimilarAmountsPaidAmt>
      <SalariesOtherCompEmplBnftAmt>49113</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>4504</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>10256</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>95261</OtherExpensesTotalAmt>
      <TotalExpensesAmt>164884</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>10396</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>194691</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>205087</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>153336</BOYAmt>
        <EOYAmt>161106</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>42821</BOYAmt>
        <EOYAmt>45724</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>196157</BOYAmt>
        <EOYAmt>206830</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>1466</BOYAmt>
        <EOYAmt>1743</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>194691</BOYAmt>
        <EOYAmt>205087</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE PURPOSE OF THIS NON-PROFIT ORGANIZATION IS TO ENHANCE THE DEVELOPMENT OF CLASSICAL MUSIC PROGRAMS AND ACTIVITIES IN SOUTHERN DELAWARE BY PRESENTING CONCERTS AND BY WORKING WITH ORGANIZATIONS IN THE COMMUNITY IN MAKING SUCH MUSIC AVAILABLE</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>DURING THE FISCAL YEAR THE ORGANIZATION PRESENTED CLASSICAL CHAMBER MUSIC CONCERTS WHICH WERE ENJOYED BY AUDIENCES AVERAGING 537 PEOPLE. AFTER EACH CONCERT A RECEPTION IS HELD TO ALLOW ARTISTS AND AUDIENCE MEMBERS TO DISCUSS THE MUSIC AS PART OF THE ORGANIZATION'S MUSIC EDUCATION EFFORTS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>5750</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>121459</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>121459</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DANIEL BRUNER</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LEE APRIL</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MIRELLA GABLE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LYNN GODINO</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ANN OSTERDALE ROSENBLUM</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BILL WOLFF</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PETER ZOLL</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CAROL DENNIS</PersonNm>
        <TitleTxt>EXECUTIVE DI</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>20.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>36547</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>
      <BooksInCareOfDetail>
        <PersonNm>PETER ZOLL</PersonNm>
        <USAddress>
          <AddressLine1Txt>23877 SAMUEL ADAMS CIRCLE</AddressLine1Txt>
          <CityNm>MILLSBORO</CityNm>
          <StateAbbreviationCd>DE</StateAbbreviationCd>
          <ZIPCd>19966</ZIPCd>
        </USAddress>
        <PhoneNum>7039156205</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">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>76310</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>125437</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>67936</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>86789</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>84110</CurrentTaxYearAmt>
        <TotalAmt>440582</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>2275</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>41171</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>60558</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>87798</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>87317</CurrentTaxYearAmt>
        <TotalAmt>279119</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>78585</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>166608</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>128494</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>174587</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>171427</CurrentTaxYearAmt>
        <TotalAmt>719701</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>719701</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>990</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1513</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>688</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5949</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3853</CurrentTaxYearAmt>
        <TotalAmt>12993</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>990</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1513</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>688</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5949</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3853</CurrentTaxYearAmt>
        <TotalAmt>12993</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>79575</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>168121</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>129182</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>180536</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>175280</CurrentTaxYearAmt>
        <TotalAmt>732694</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.98230</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.98360</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.02000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.02000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </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="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>CASH CONTRIBUTION: 5,750</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES ADVERTISING 2,236 SUPPLIES 7,594 SOFTWARE 1,858 ARTIST HOUSING 900 INSURANCE 3,142 CREDIT CARD FEES 5,840 EQUIPMENT RENTAL 6,000 MEMBERSHIPS 1,645 MUSICIANS FEES 48,500 SUBCONTRACTOR EXPENSES 7,918 VENUE RENTAL AND EXPENSES 6,305 TAXES &amp; LICENSES 125 DONATIONS 3,198 TOTAL 95,261</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>ENDOWMENT FUND 42,821 45,724 TOTAL 42,821 45,724</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 26</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTS PAYABLE AND ACCRUED EXPENSES 389 0 PAYROLL LIABILITIES 1,077 1,743</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PURPOSE OF THIS NON-PROFIT ORGANIZATION IS TO ENHANCE THE DEVELOPMENT OF CLASSICAL MUSIC PROGRAMS AND ACTIVITIES IN SOUTHERN DELAWARE BY PRESENTING CONCERTS AND BY WORKING WITH ORGANIZATIONS IN THE COMMUNITY IN MAKING SUCH MUSIC AVAILABLE</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING THE FISCAL YEAR THE ORGANIZATION PRESENTED CLASSICAL CHAMBER MUSIC CONCERTS WHICH WERE ENJOYED BY AUDIENCES AVERAGING 537 PEOPLE. AFTER EACH CONCERT A RECEPTION IS HELD TO ALLOW ARTISTS AND AUDIENCE MEMBERS TO DISCUSS THE MUSIC AS PART OF THE ORGANIZATION'S MUSIC EDUCATION EFFORTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>