Nonprofit · EIN 47-3975420
REEF GUARDIANS HAWAII
Tax-exempt · PRINCEVILLE, HI 96722
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $200,868 | $138,079 | $62,789 | $189,654 | $0 | $189,654 |
| December 31, 2023 | 990-EZ | $129,367 | $120,517 | $8,850 | $126,865 | – | $126,865 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $169,295
- Program service revenue
- $31,573
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $71,417
- Other salaries and wages
- $17,148
- Salaries, compensation and benefits (total)
- $96,794
- Professional fundraising fees
- $0
- Travel
- $742
- Program services (functional)
- $112,592
- Management and general (functional)
- $12,807
- Fundraising (functional)
- $12,680
Balance sheet and other
- Total assets, start of year
- $126,865
- Total assets, end of year
- $189,654
- Total liabilities, end of year
- $0
- Net assets, end of year
- $189,654
- Net assets without donor restrictions
- $107,313
- Net assets with donor restrictions
- $82,341
- Gross receipts
- $200,868
- Employees
- 5
- Volunteers
- 40
- Year formed
- 2015
- State of legal domicile
- HI
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBIN MAZOR | Exec Direct/Sec Officer | 40 | $71,417 |
| THOMAS WOODS | President Officer | 4 | $0 |
| HARRY RABIN | Vice President Officer | 10 | $0 |
| JAN HASHIZUME | Treasurer Officer | 1 | $0 |
990-EZ for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBIN MAZOR | Exec Direct/Sec | 40 | $66,000 |
| THOMAS WOODS | President | 4 | $0 |
| HARRY RABIN | Vice President | 10 | $0 |
| JAN HASHIZUME | Treasurer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 3737 KAWEONUI RD, PRINCEVILLE, HI 96722-5332
- In care of
- % ROBIN MAZOR
- Mailing address (990-N for 2018)
- 3737 Kaweonui Road, Princeville HI 96722
- Principal officer (990 for 2024)
- THOMAS WOODS, 3737 KAWEONUI ROAD, PRINCEVILLE, HI 96722
- Principal officer (990-N for 2018)
- Robin Mazor, 3737 Kaweonui Road, Kapaa HI 96722
- Signed the 990
- ROBIN MAZOR, Exec Director/Sec
- Phone
- (808) 651-0286
- Website
- reefguardians.org
- Return prepared by
- JAN HASHIZUME CPA
Mission
Reef Guardians' mission is reef preservation through research, restoration, and education.
Program accomplishments
- EDUCATION - REEF GUARDIANS EDUCATES THE COMMUNITY AND BUILDS AWARENESS ABOUT CORAL REEF THREATS AND THE IMPORTANCE OF PROTECTING THE REEF, WETLANDS AND NEARSHORE ENVIRONMENTS. REEF CAMP, REEF GUARDIANS UNIQUE YOUTH ENVIRONMENTAL EDUCATION PROGRAM, OPERATES SCHOOL FIELD STUDY AND SCHOOL BREAK PROGRAMS. SERVING OVER 300 CHILDREN AGES 8-13 IN 2024, THE WEEKLY CAMPS PROVIDED INSTRUCTION IN SCIENCE, ARTS, HAWAIIAN CULTURAL KNOWLEDGE AND WISDOM, AND DIRECT LEARNING EXPERIENCES IN THE OCEAN ENVIRONMENT. REEF GUARDIANS HAWAII DEVELOPED AND IS DISTRIBUTING THE "HAWAII SEALIFE" APP, A FREE IOS/ANDROID TOOL DESIGNED FOR CHILDREN AND FAMILIES TO RAISE ENVIRONMENTAL AWARENESS AND PROMOTE RESPECTFUL, PROTECTIVE INTERACTIONS WITH HAWAIIS SHORELINES AND REEFS. THIS ANIMAL IDENTIFICATION APP OFFERS ENGAGING EDUCATIONAL CONTENT TO HELP USERS TO APPRECIATE AND SAFEGUARD THE NATURAL ENVIRONMENT.REEF GUARDIANS LAUNCHED AN EXTENSIVE ENVIRONMENTAL EDUCATION INITIATIVE IN 2024 CALLED THE "KE KULA KAI ONLINE SEA SCHOOL." THIS PROGRAM BUILDS ON OUR REEF CAMP CURRICULUM, COVERING 15 KEY TOPICS TO DEEPEN UNDERSTANDING OF OCEAN ECOLOGY AND THE HAWAIIAN ISLANDS. EACH TOPIC COMBINES OCEAN SCIENCE, CONSERVATION, AND HAWAIIAN CULTURAL KNOWLEDGE TO FOSTER ENVIRONMENTAL AWARENESS AND ENCOURAGE MEANINGFUL CONNECTIONS TO PLACE, AS AN EXTENTION OF OUR REEF CAMP AND HAWAII SEALIFE APP.THROUGH OUR COMMUNITY/GOVERNMENT PARTNERSHIP WITH THE CALIFORNIA DEPT. OF FISH AND WILDLIFE, REEF GUARDIANS PROVIDED AND INSTALLED EDUCATIONAL SIGNAGE AT HARBORS AND BEACHES, PROTECTING SHARKS IN THEIR NATURAL NEAR-SHORE FEEDING AREAS. REEF GUARDIANS IS REPLACING AND INSTALLING NEW SIGNS WHERE NEEDED. REEF GUARDIANS HAWAII PUBLISHED A COMPREHENSIVE STUDY ON LAND-BASED POLLUTION IMPACTING KAUA'I'S ?ANINI (WANINI) LAGOON. THIS REPORT, ALONG WITH ACTION STEPS TAKEN, WAS MADE AVAILABLE TO THE COMMUNITY, GOVERNMENT, AND NON-PROFIT AGENCIES THROUGH PUBLIC EVENTS AND FOR DOWNLOAD ON THE REEF GUARDIANS HAWAI'I WEBSITE. ADULT EDUCATIONAL EVENTS WERE HELD ACROSS KAUA'I AND IN SANTA BARBARA BY REEF GUARDIANS, WITH PARTICIPATION FROM CORAL AND SHARK EXPERTS, TO INCREASE PUBLIC AWARENESS AND PROMOTE ENVIRONMENTALLY PROTECTIVE ACTIONS.Expenses $83,381 · revenue $102,417
- RESEARCH AND MONITORING:- FOUR AREAS OF RESEARCH AND MONITORING CONDUCTED DURING THIS YEAR: STUDY OF LAND-BASED OCEAN POLLUTION ON KAUA?I FOCUSED ON WATER QUALITY IN ANINI LAGOON, WAILE?IA STREAM (PRINCEVILLE), AND MOLOA?A BAY. IN 2023, REEF GUARDIANS HAWAII PUBLISHED AN EXTENSIVE REPORT WITH RECOMMENDED ACTIONS. IN 2024, WE INITITED A COLLABORATIVE COMMUNITY-BASED WATER QUALITY TESTING PROGRAM TO CONTINUE RESEARCH AND INFORM REMEDIATION AND RESTORATION.OUR MONITORING OF JUVENILE WHITE SHARKS IN CALIFORNIA LED TO AN EXTENDED COMMUNITY/GOVERNMENT PARTNERSHIP PROTECTING SHARKS IN THEIR NATURAL NEAR-SHORE FEEDING AREAS. OUR DRONE MONITORING OF LEAKING OFF-SHORE OIL WELLS IN CALIFORNIA CONTRIBUTED TO A PARTNERSHIP PLANNING STUDY WITH A MULTI-AGENCY TEAM FUNDED TO ADDRESS THE LEAKING OIL WELL HEADS IN THE SANTA BARBARA AREA. OUR MONITORING OF KAUA?I'S OCEAN REEFS ASSISTED THE HAWAII STATE DIVISION OF AQUATIC RESOURCES IN REMOVING NON-NATIVE SPECIES IDENTIFIED AS POTENTIALLY NEWLY INTRODUCED INVASIVE SPECIES OF HIGH CONCERN.Expenses $29,211 · revenue $48,679
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 47-3975420
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2015
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C32)
- Assets (IRS master file)
- $189,654
- Income (IRS master file)
- $200,868
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $200,868 | $138,079 | $189,654 | IRS |
| 990-EZ | December 2023 | $129,367 | $120,517 | $126,865 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-N for 2018 Officer: Robin Mazor | December 31, 2018 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 47-3975420).
Questions about REEF GUARDIANS HAWAII
- What is the EIN of REEF GUARDIANS HAWAII?
- The employer identification number (EIN) of REEF GUARDIANS HAWAII is 47-3975420.
- Is REEF GUARDIANS HAWAII tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
- Are donations to REEF GUARDIANS HAWAII tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does REEF GUARDIANS HAWAII file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of REEF GUARDIANS HAWAII due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did REEF GUARDIANS HAWAII last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of REEF GUARDIANS HAWAII?
- The 990 for the year ended December 31, 2024 names THOMAS WOODS.
- Who are the officers and directors of REEF GUARDIANS HAWAII?
- The 990 for the year ended December 31, 2024 lists 4 people; 1 received compensation from the organization, the highest $71,417 (ROBIN MAZOR, Exec Direct/Sec).
- How much revenue does REEF GUARDIANS HAWAII have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $200,868, expenses of $138,079 and total assets of $189,654 at year end.
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