Civic Intelligence

International Society for Reef Studies

EIN 48-1109700 • 501(c)3 • Tavernier, FL

Profile

To advance the worldwide knowledge of coral reefs

89111 Overseas HighwayTavernier, FL 33070

www.coralreefs.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

59th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2022

Liabilities / Revenue

61st percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2022

Net Margin

64th percentile

10.0%

Higher net margin than 64% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2022

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

65th percentile

7.0%

Faster asset growth than 65% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2021 to 2022

Revenue Growth

94th percentile

136%

Faster revenue growth than 94% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2021 to 2022

Assets

Up

$504,246

Up $58,862 (+13%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$504,246

Up $58,862 (+13%) from 2023

Revenue

Down

$139,910

Down $35,964 (-20%) from 2023

Expenses

Down

$81,124

Down $19,456 (-19%) from 2023

Net Income

Down

$58,786

Down $16,508 (-22%) from 2023

Trend Graphs

Balance Sheet Trend

Grouped bars show assets, liabilities, and net assets across loaded filings.

$600K$400K$200K$0Assets 2011: $30,491Liabilities 2011: $02011Assets 2012: $14,227Liabilities 2012: $02012Assets 2013: $47,282Liabilities 2013: $0Net Assets 2013: $47,2822013Assets 2014: $63,771Liabilities 2014: $0Net Assets 2014: $63,7712014Assets 2015: $114,243Liabilities 2015: $0Net Assets 2015: $114,2432015Assets 2016: $200,608Liabilities 2016: $0Net Assets 2016: $200,6082016Assets 2017: $242,340Liabilities 2017: $0Net Assets 2017: $242,3402017Assets 2018: $262,008Liabilities 2018: $0Net Assets 2018: $262,0082018Assets 2019: $326,341Liabilities 2019: $0Net Assets 2019: $326,3412019Assets 2020: $316,659Liabilities 2020: $0Net Assets 2020: $316,6592020Assets 2021: $345,940Liabilities 2021: $0Net Assets 2021: $345,9402021Assets 2022: $370,090Liabilities 2022: $0Net Assets 2022: $370,0902022Assets 2023: $445,384Liabilities 2023: $0Net Assets 2023: $445,3842023Assets 2024: $504,246Liabilities 2024: $0Net Assets 2024: $504,2462024

Highlighted filing

2024

Assets$504,246
Liabilities$0
Net Assets$504,246

Operations Trend

Revenue, expenses, and net income by year, with the latest filing highlighted.

$300K$200K$100K$0-$100KRevenue 2011: $61,896Expenses 2011: $66,647Net Income 2011: -$4,7512011Revenue 2012: $41,225Expenses 2012: $57,489Net Income 2012: -$16,2642012Revenue 2013: $108,966Expenses 2013: $75,911Net Income 2013: $33,0552013Revenue 2014: $93,496Expenses 2014: $77,007Net Income 2014: $16,4892014Revenue 2015: $128,745Expenses 2015: $78,273Net Income 2015: $50,4722015Revenue 2016: $197,724Expenses 2016: $111,359Net Income 2016: $86,3652016Revenue 2017: $147,304Expenses 2017: $105,572Net Income 2017: $41,7322017Revenue 2018: $91,148Expenses 2018: $71,480Net Income 2018: $19,6682018Revenue 2019: $161,675Expenses 2019: $97,342Net Income 2019: $64,3332019Revenue 2020: $130,437Expenses 2020: $140,119Net Income 2020: -$9,6822020Revenue 2021: $102,783Expenses 2021: $73,851Net Income 2021: $28,9322021Revenue 2022: $242,090Expenses 2022: $217,941Net Income 2022: $24,1492022Revenue 2023: $175,874Expenses 2023: $100,580Net Income 2023: $75,2942023Revenue 2024: $139,910Expenses 2024: $81,124Net Income 2024: $58,7862024

Highlighted filing

2024

Revenue$139,910
Expenses$81,124
Net Income$58,786

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$5.04$0.00$5.04$1.40$0.81$0.59
2023Detailed filing. Detailed filing data is available for this year.$4.45$0.00$4.45$1.76$1.01$0.75
2022Detailed filing. Detailed filing data is available for this year.$3.70$0.00$3.70$2.42$2.18$0.24
2021Detailed filing. Detailed filing data is available for this year.$3.46$0.00$3.46$1.03$0.74$0.29
2020Detailed filing. Detailed filing data is available for this year.$3.17$0.00$3.17$1.30$1.40$0.10
2019Detailed filing. Detailed filing data is available for this year.$3.26$0.00$3.26$1.62$0.97$0.64
2018Detailed filing. Detailed filing data is available for this year.$2.62$0.00$2.62$0.91$0.71$0.20
2017Detailed filing. Detailed filing data is available for this year.$2.42$0.00$2.42$1.47$1.06$0.42
2016Detailed filing. Detailed filing data is available for this year.$2.01$0.00$2.01$1.98$1.11$0.86
2015Detailed filing. Detailed filing data is available for this year.$1.14$0.00$1.14$1.29$0.78$0.50
2014Detailed filing. Detailed filing data is available for this year.$0.64$0.00$0.64$0.93$0.77$0.16
2013Detailed filing. Detailed filing data is available for this year.$0.47$0.00$0.47$1.09$0.76$0.33
2012Summary only. Only limited summary data is available for this year.$0.14$0.00$0.41$0.57$0.16
2011Summary only. Only limited summary data is available for this year.$0.30$0.00$0.62$0.67$0.05
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Feb 20, 2025
Return Version
2024v5.0
Gross Receipts
$139,910
Mission and Program Overview

Mission

To advance the worldwide knowledge of coral reefs

Balance Sheet Detail
LineBeginningEndChange
Assets
Rtn Earn Endowment Incm Other Fnds$445,460$504,246▲ $58,786
Cash and Non-Interest-Bearing Accounts$311,643$282,563▼ $29,080
Investments in Publicly Traded Securities$133,741$221,683▲ $87,942
Accounts Receivable$76$0▼ $76
Savings and Temporary Cash Investments$0$0→ $0
Other Notes and Loans Receivable, Net$0$0→ $0
Pledges and Grants Receivable$0$0→ $0
Receivable From Disqualified Prsn$0$0→ $0
Receivables From Officers Etc$0$0→ $0
Investments Other Securities$0$0→ $0
Investments Program Related$0$0→ $0
Land, Buildings, and Equipment, Net$0--
Pd in Cap Srpls Land Bldg Eqp Fund$0$0→ $0
Cap Stk Tr Prin Current Funds$0$0→ $0
Intangible Assets$0$0→ $0
Inventories for Sale or Use$0$0→ $0
Loans From Officers Directors$0$0→ $0
Prepaid Expenses and Deferred Charges$0$0→ $0
Total Assets$445,460$504,246▲ $58,786
Other Assets Total$0$0→ $0
Liabilities
Accounts Payable and Accrued Expenses$0$0→ $0
Grants Payable$0$0→ $0
Mortgage Notes Payable Secured by Investment Property$0$0→ $0
Unsecured Notes Loans Payable$0$0→ $0
Other Liabilities$0--
Deferred Revenue$0$0→ $0
Escrow Account Liability$0$0→ $0
Tax Exempt Bond Liabilities$0$0→ $0
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Total Net Assets Fund Balance$445,460$504,246▲ $58,786
Total Liabilities and Net Assets / Fund Balance$445,460$504,246▲ $58,786
Compensation and Service Providers

Board Members and Trustees

NameTitle
Christian Voolstrapresident
Tracey AinsworthVice President
Mark Eakincorresponding secretary
Anastazia Banaszakrecording secretary
Anderson Mayfieldtreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$90,053
Program Service Revenue
$23,831
Investment Income
$26,026
Other Revenue
$0
All Other Contributions
$37,354
Change in Net Assets
$58,786
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Grants and Similar Amounts Paid$53,003
Other Expenses$28,121
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Foreign Grants$44,003--$44,003
Conferences and Meetings$10,968--$10,968
All Other Expenses$6,850--$6,850
Grants to Domestic Orgs$6,500--$6,500
Fees for Services Other$3,757--$3,757
Grants to Domestic Individuals$2,500--$2,500
Other Expenses$2,347$0$0$2,347
Insurance$1,075--$1,075
Total Functional Expenses$81,124$0$0$81,124
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Direct Expenses$0
Fundraising Gross Income$0
Gaming Direct Expenses$0
Gaming Gross Income$0
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Loans from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Receivables from Disqualified Persons$0$0→ $0
Receivables from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Backup withholding compliance
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, Line 11B

I will share this document with the other officers

Form 990, Part VI, Section B, Line 15

We hold elections for our five officers and 14 committee members every four years

Form 990, Part VI, Section C, Line 19

Please see our website for this information: coralreefs.org

Filing and Contact Details

Filer

Filer Name
International Society for Reef Studies
EIN
48-1109700
Phone
7868984447
Address
89111 Overseas Highway, Tavernier, FL 33070

Signing Officer

Name
Anderson Mayfield
Title
treasurer
Phone
7868984447
Signed
2025-02-20

Organization Details

Principal Officer
Anderson Mayfield
Formed
1995
Legal Domicile
Fl
Voting Board Members
20
Independent Board Members
0
Employees
0
Volunteers
5
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This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/OtherLiabilitiesGrp/BOYAmt00
IRS990/OtherRevenueTotalAmt00
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt00
IRS990/OtherSalariesAndWagesGrp/TotalAmt00
IRS990/OthNotesLoansReceivableNetGrp/BOYAmt00
IRS990/OthNotesLoansReceivableNetGrp/EOYAmt00
IRS990/PartialLiquidationInd00
IRS990/PayrollTaxesGrp/ProgramServicesAmt00
IRS990/PayrollTaxesGrp/TotalAmt00
IRS990/PdInCapSrplsLandBldgEqpFundGrp/BOYAmt00
IRS990/PdInCapSrplsLandBldgEqpFundGrp/EOYAmt00
IRS990/PensionPlanContributionsGrp/ProgramServicesAmt00
IRS990/PensionPlanContributionsGrp/TotalAmt00
IRS990/PledgesAndGrantsReceivableGrp/BOYAmt00
IRS990/PledgesAndGrantsReceivableGrp/EOYAmt00
IRS990/PoliciesReferenceChaptersInd01
IRS990/PoliticalCampaignActyInd00
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt00
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt00
IRS990/PrincipalOfficerNm0Anderson Mayfield
IRS990/PriorPeriodAdjustmentsAmt00
IRS990/ProfessionalFundraisingInd00
IRS990/ProgramServiceRevenueGrp/BusinessCd0513120
IRS990/ProgramServiceRevenueGrp/Desc0royalties from journal publication
IRS990/ProgramServiceRevenueGrp/ExclusionAmt00
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt023831
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt023831
IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/ProgSrvcAccomActy2Grp/Desc0We paid 3757 for grantsmanship training for our members
IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt03757
IRS990/ProgSrvcAccomActy2Grp/GrantAmt00
IRS990/ProgSrvcAccomActy2Grp/RevenueAmt00
IRS990/ProgSrvcAccomActy3Grp/Desc0other expenses to maintain a professional society (see table for details.).
IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt013396
IRS990/ProgSrvcAccomActy3Grp/GrantAmt00
IRS990/ProgSrvcAccomActy3Grp/RevenueAmt00
IRS990/ProgSrvcAccomActyOtherGrp/Desc0Paid for several of our volunteers to attend international conferences to represent our society
IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt010968
IRS990/ProgSrvcAccomActyOtherGrp/GrantAmt00
IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt00
IRS990/ProhibitedTaxShelterTransInd00
IRS990/PYBenefitsPaidToMembersAmt00
IRS990/PYContributionsGrantsAmt010442
IRS990/PYExcessBenefitTransInd00
IRS990/PYGrantsAndSimilarPaidAmt027035
IRS990/PYInvestmentIncomeAmt028792
IRS990/PYOtherExpensesAmt073545
IRS990/PYOtherRevenueAmt049816
IRS990/PYProgramServiceRevenueAmt086824
IRS990/PYRevenuesLessExpensesAmt075294
IRS990/PYSalariesCompEmpBnftPaidAmt00
IRS990/PYTotalExpensesAmt0100580
IRS990/PYTotalProfFndrsngExpnsAmt00
IRS990/PYTotalRevenueAmt0175874
IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt00
IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt00
IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt00
IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt00
IRS990/ReconcilationRevenueExpnssAmt058786
IRS990/RelatedEntityInd00
IRS990/RelatedOrganizationCtrlEntInd00
IRS990/RelatedOrganizationsAmt00
IRS990/RentalIncomeOrLossGrp/PersonalAmt00
IRS990/RentalIncomeOrLossGrp/RealAmt00
IRS990/ReportInvestmentsOtherSecInd00
IRS990/ReportLandBuildingEquipmentInd00
IRS990/ReportOtherAssetsInd00
IRS990/ReportOtherLiabilitiesInd00
IRS990/ReportProgramRelatedInvstInd00
IRS990/RevenueAmt00
IRS990/RoyaltiesRevenueGrp/ExclusionAmt00
IRS990/RoyaltiesRevenueGrp/RelatedOrExemptFuncIncomeAmt00
IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt00
IRS990/RoyaltiesRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt0445460
IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt0504246
IRS990/SavingsAndTempCashInvstGrp/BOYAmt00
IRS990/SavingsAndTempCashInvstGrp/EOYAmt00
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0Here is a breakdown of our 81,048 in expenses educational workshop 3757 meeting sponsorships 15000 chapter expenses 8003 awards 30000 banking fees 3124 conference attendance 10968 general operations 6688 insurance 1075 publications 2347 misc 86
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc0Schedule A, Part I, Line 2
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt090053
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt060258
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt0260285
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt0102213
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt0108509
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt0621318
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt026026
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt028792
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt0-18195
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt0-21
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt021928
IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt058530
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt023831
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt086824
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt0110655
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt026026
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt028792
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt0-18195
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt0-21
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt021928
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt058530
IRS990ScheduleA/InvestmentIncomeCYPct00.07404
IRS990ScheduleA/InvestmentIncomePYPct00.04002
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY509Pct00.92596
IRS990ScheduleA/PublicSupportPY509Pct00.95998
IRS990ScheduleA/PublicSupportTotal509Amt0731973
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0113884
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt0147082
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt0260285
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt0102213
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt0108509
IRS990ScheduleA/Total509Grp/TotalAmt0731973
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0139910
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt0175874
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt0242090
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt0102192
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt0130437
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0790503
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd01
IRS990/ScheduleJRequiredInd00
IRS990/ScheduleORequiredInd01
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0I will share this document with the other officers
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1We hold elections for our five officers and 14 committee members every four years
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2Please see our website for this information: coralreefs.org
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part VI, Section B, Line 11b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section B, Line 15
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990, Part VI, Section C, Line 19
IRS990/SchoolOperatingInd00
IRS990/SignificantChangeInd00
IRS990/SignificantNewProgramSrvcInd00
IRS990/StatesWhereCopyOfReturnIsFldCd0FL
IRS990/SubjectToExcsTaxNetInvstIncInd00
IRS990/SubjectToProxyTaxInd00

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