Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 82-3063013 • 501(c)3 • Castro Valley, CA
Profile
The primary purpose of Southbay Youth Maritime Foundation is to support Sea Scouts and Mariner Scouts programs, primarily in the greater San Francisco Bay Area and Delta, to promote maritime youth activities, to promote the core values of the scouts, and to support young adults seeking post-secondary education in maritime trades.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
12th percentile
Higher net margin than 12% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
27th percentile
Faster asset growth than 27% of similar nonprofits.
Revenue Growth
50th percentile
Faster revenue growth than 50% of similar nonprofits.
Assets
Down$371,335
Down $150,612 (-29%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Down$371,335
Down $150,612 (-29%) from 2024
Revenue
Down$218,004
Down $5,314 (-2.4%) from 2024
Expenses
Up$368,616
Up $188,724 (+105%) from 2024
Net Income
Down-$150,612
Down $194,038 (-447%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
The primary purpose of Southbay Youth Maritime Foundation is to support Sea Scouts and Mariner Scouts programs, primarily in the greater San Francisco Bay Area and Delta, to promote maritime youth activities, to promote the core values of the scouts, and to support young adults seeking post-secondary education in maritime trades.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $471,130 | $320,513 | ▼ $150,617 |
| Savings and Temporary Cash Investments | $50,817 | $50,822 | ▲ $5 |
| Accounts Receivable | - | $0 | - |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Pledges and Grants Receivable | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Investments in Publicly Traded Securities | - | $0 | - |
| Land, Buildings, and Equipment, Net | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Prepaid Expenses and Deferred Charges | - | $0 | - |
| Total Assets | $521,947 | $371,335 | ▼ $150,612 |
| Other Assets Total | - | $0 | - |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $466,947 | $371,335 | ▼ $95,612 |
| Net Assets With Donor Restrictions | $55,000 | - | - |
| Total Net Assets Fund Balance | $521,947 | $371,335 | ▼ $150,612 |
| Total Liabilities and Net Assets / Fund Balance | $521,947 | $371,335 | ▼ $150,612 |
| Name | Title |
|---|---|
| Max Rosenberg | President |
| Laura Rosenberg | Secretary |
| Daniel Kroman | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $313,213 |
| Grants and Similar Amounts Paid | $55,403 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $55,403 | - | - | $55,403 |
| Other Expenses | $11,305 | - | - | $11,305 |
| All Other Expenses | $2,567 | $668 | - | $3,235 |
| Fees for Services Accounting | - | $2,777 | - | $2,777 |
| Fees for Services Other | $2,632 | - | - | $2,632 |
| Total Functional Expenses | $365,171 | $3,445 | $0 | $368,616 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Redwood City Youth Maritime | Newark, CA | - | General Support | $55,403 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“Laura and max rosenberg, both directors and officers, are a married couple.dan kroman, a director and officer is a director of challenger maritime association. In previous years the organization has made grants to challenger maritime association.”
“The form 990 is reviewed by the treasurer and distributed to the entire board before it is filed.”
“Directors complete a conflict of interest form annually.”
“The organization makes available all documents required by law upon written request.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The primary purpose of Southbay Youth Maritime Foundation is to support Sea Scouts and Mariner Scouts programs, primarily in the greater San Francisco Bay Area and Delta, to promote maritime youth activities, to promote the core values of the scouts, and to support young adults seeking post-secondary education in maritime trades. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 8050 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 668 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 2567 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 3235 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | false |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | DANIEL KROMAN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7073735619 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2330 AVENIDA DE GUADALUPE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SANTA CLARA |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 95054 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 471130 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 320513 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CostOfGoodsSoldAmt | 0 | 154570 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 8050 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 55403 |
| IRS990/CYInvestmentIncomeAmt | 0 | 5 |
| IRS990/CYOtherExpensesAmt | 0 | 313213 |
| IRS990/CYOtherRevenueAmt | 0 | 143033 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 66916 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -150612 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 368616 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 218004 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Operated and supportedthe Sea Scout Ship Terrapin which provided sea scouts the opportunity to enhance and practice their maritime educationengage in maritime activities and develop with the core values of scouting |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 55000 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 298838 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2777 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2777 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2632 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 2632 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MAX ROSENBERG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DANIEL KROMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | LAURA ROSENBERG |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Secretary |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2017 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 3 |
| IRS990/GrantAmt | 0 | 55403 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 55403 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 55403 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 372574 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 297603 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 3 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 5 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 5 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | The primary purpose of Southbay Youth Maritime Foundation is to support Sea Scouts and Mariner Scouts programs, primarily in the greater San Francisco Bay Area and Delta, to promote maritime youth activities, to promote the core values of the scouts, and to support young adults seeking post-secondary education in maritime trades. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 521947 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 371335 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 143033 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 143033 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 466947 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 371335 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NoncashContributionsAmt | 0 | 2050 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | EVENT EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | SUPPLIES & MATERIALS |
| IRS990/OtherExpensesGrp/Desc | 3 | UNIT OPERATIONS |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 202350 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 62044 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 28870 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 11305 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 202350 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 62044 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 28870 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 11305 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | MAX ROSENBERG |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | EVENT REGISTRATION FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | OTHER REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 65705 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 1211 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 65705 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 1211 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | Supported two region wide sea scout competitions drawing 200-400 participants promoting the safe practice of maritime skills in a safe, social, and fun environment. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 66333 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 66616 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 2000 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 59848 |
| IRS990/PYInvestmentIncomeAmt | 0 | 502 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 120044 |
| IRS990/PYOtherRevenueAmt | 0 | 154273 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 66543 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 43426 |
| IRS990/PYTotalExpensesAmt | 0 | 179892 |
| IRS990/PYTotalRevenueAmt | 0 | 223318 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -150612 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 300 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 50817 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 50822 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 8050 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 2000 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 45563 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 62737 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 4141 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 122491 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 5 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 502 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 261 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 15 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 12 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 795 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 66916 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 66543 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 62669 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 69508 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 265636 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearAmt | 0 | 297603 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus1YearAmt | 0 | 303872 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus2YearsAmt | 0 | 303491 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus3YearsAmt | 0 | 272147 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus4YearsAmt | 0 | 253258 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 1430371 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 5 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 502 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 261 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 15 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 12 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 795 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00040 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00050 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.95310 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.89510 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 1733995 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus2YearsAmt | 0 | 34503 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt | 0 | 50000 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 84503 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus2YearsAmt | 0 | 34503 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus3YearsAmt | 0 | 50000 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 84503 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 372569 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 372415 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 411723 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 404392 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 257399 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 1818498 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 372574 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 372917 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 411984 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 404407 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 257411 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 1819293 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | false |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 55403 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 0 |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | GENERAL SUPPORT |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | Redwood City Youth Maritime |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 473158545 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 7795 Inverness Dr |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | Newark |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 94560 |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 0 |
| IRS990ScheduleI/TotalOtherOrgCnt | 0 | 1 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | LAURA AND MAX ROSENBERG, BOTH DIRECTORS AND OFFICERS, ARE A MARRIED COUPLE.DAN KROMAN, A DIRECTOR AND OFFICER IS A DIRECTOR OF CHALLENGER MARITIME ASSOCIATION. IN PREVIOUS YEARS THE ORGANIZATION HAS MADE GRANTS TO CHALLENGER MARITIME ASSOCIATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE FORM 990 IS REVIEWED BY THE TREASURER AND DISTRIBUTED TO THE ENTIRE BOARD BEFORE IT IS FILED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | DIRECTORS COMPLETE A CONFLICT OF INTEREST FORM ANNUALLY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE ORGANIZATION MAKES AVAILABLE ALL DOCUMENTS REQUIRED BY LAW UPON WRITTEN REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section A, Line 2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Section B, Line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part VI, Section C, Line 19 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 521947 |
| IRS990/TotalAssetsEOYAmt | 0 | 371335 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 521947 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 371335 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 8050 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 3445 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 365171 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 368616 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 521947 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 371335 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 365171 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 66916 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 143038 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 66916 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 218004 |
| IRS990/TotalVolunteersCnt | 0 | 50 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 521947 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 371335 |
| IRS990/TravelGrp/TotalAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 2562 STANTON HILL ROAD |
| IRS990/USAddress/CityNm | 0 | CASTRO VALLEY |
| IRS990/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/USAddress/ZIPCd | 0 | 94546 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 3 |
| IRS990/VotingMembersIndependentCnt | 0 | 3 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | true |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | DANIEL KROMAN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-10-20 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | SOUTHBAY YOUTH MARITIME FOUNDATION |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | SOUT |
| ReturnHeader/Filer/EIN | 0 | 823063013 |
| ReturnHeader/Filer/PhoneNum | 0 | 7073735619 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 2562 STANTON HILL ROAD |
| ReturnHeader/Filer/USAddress/CityNm | 0 | CASTRO VALLEY |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 94546 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
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