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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Ocean Habitat and Wildlife Rescue INC To educate and help in the eradication of non-native invasive species. To preserve and promote native species… 46-4120554 · FY2025 West Palm Bch, FL $86.0M $35.7M $99.8M 70% 30% — 501(c)(3)
Great Barrier Reef Foundation USA INC The mission of the Organization is to raise funds to develop and deliver projects grounded in science and… 83-3342642 · FY2024 Washington, DC $47.8M $19.9M $28.7M 100% 0% — 501(c)(3)
Marine Environmental Sciences Consortium To conduct pure and applied research, provide both structured education programs and information in… 63-0779657 · FY2023 Dauphin Isl, AL $39.5M $36.9M $61.2M 91% 0% 129 501(c)(3)
Ocean Exploration Trust INC Advance the emerging fields of OCEAN EXPLORATION and archaelogical oceanography through co-sponsoring and… 83-0488383 · FY2024 New London, CT $19.3M $16.5M $12.1M 80% 1% 19 501(c)(3)
The Coral Restoration Foundation INC We are a nonprofit ocean conservation organization working to restore our CORAL reefs, educating others on… 65-1054647 · FY2024 Tavernier, FL $8.8M $6.7M $13.3M 83% 5% 28 501(c)(3)
Reef Environmental Education Foundation Incorporated REEF ENVIRONMENTAL EDUCATION FOUNDATION (REEF) was established as a nonprofit organization in 1990. REEF… 65-0270064 · FY2024 Key Largo, FL $5.3M $2.3M $6.9M 87% 4% 9 501(c)(3)
Molluscan Science Foundation INC The organization aims to advance the study, preservation, scientific and medical applications of seashells… 46-3208917 · FY2024 Owings Mills, MD $5.2M $259.5K $30.4M 99% 0% — 501(c)(3)
Marine Science Consortium INC Promote the study of MARINE sciences 23-1704769 · FY2024 Wallops Is, VA $2.8M $2.6M $12.0M 86% 0% 24 501(c)(3)
Association for the Sciences of Limnology and Oceanography INC The society prepares the next generation of a diverse, international scientific workforce through… 38-1710020 · FY2024 Washington, DC $2.2M $2.3M $7.4M 70% 0% 2 501(c)(3)
Central Caribbean Marine Institute INC The organization is dedicated to conducting and facilitating research, education, and outreach that will… 22-3609293 · FY2024 Princeton, NJ $1.9M $2.1M $5.3M 82% 6% — 501(c)(3)
Coral Reef Research Foundation INC Marine science RESEARCH 95-4316261 · FY2024 San Diego, CA $1.7M $1.1M $2.0M 48% 0% 1 501(c)(3)
Healthy Aquatics Marine Institute of Florida INC The purpose of the HEALTHY AQUATICS MARINE INSTITUTE of FLORIDA INC. Is to function as a source for… 81-3369434 · FY2024 West Palm Bch, FL $1.4M $1.0M $868.3K 87% 3% 6 501(c)(3)
Coral World Ocean and Reef Initiative INC Conservation, Environmental Education, Coral Rescue and Restoration, Research and Rehabiliation of Marine… 66-0925847 · FY2023 St Thomas, VI $1.3M $1.2M $134.5K 90% 1% — 501(c)(3)
Oceans Forward Leading ocean conservation through innovative sustainable partnerships, building coastal economic… 47-1874294 · FY2024 Covina, CA $1.2M $959.5K $668.3K 100% 0% — 501(c)(3)
Gulf and Caribbean Fisheries Institute INC Dissemination of scientific research and technical assistance to support management of living marine… 59-2592122 · FY2023 Piney Flats, TN $1.1M $1.4M $596.1K 85% 0% 5 501(c)(3)
Accessurf Hawaii INC To help people with disabilities and members of their family experience various aspects of the ocean by… 20-4420646 · FY2024 Honolulu, HI $1.1M $766.8K $1.0M 70% 17% 8 501(c)(3)
Reefci INC The ultimate goal is to utilize scientifically researched based approachesto conserve and protect fragile… 81-3337647 · FY2024 Hebron, KY $1.1M $909.4K $1.9M 97% 0% — 501(c)(3)
Sound Experience Educate, inspire and empower an inclusive community that works to improve our marine environment 91-6170893 · FY2024 Port Townsend, WA $1.0M $1.2M $1.4M 78% 14% 33 501(c)(3)
Beneath the Waves INC BENEATH the WAVES is dedicated to advancing the conservation of sharks and the habitats they occupy through… 46-3461387 · FY2024 Charlestown, MA $973.7K $682.0K $644.4K 48% 0% 3 501(c)(3)
Oceans Initiative Oceans Initiative is a team of scientists on a mission to protect marine life and the ecosystems on which… 90-1015993 · FY2024 Seattle, WA $864.6K $909.2K $126.3K 79% 2% 8 501(c)(3)
Marine Education Initiative INC Educates and inspires the next generation to preserve MARINE ecosystems for the future. 45-3862555 · FY2024 Delray Beach, FL $665.5K $778.1K $745.7K 89% 0% — 501(c)(3)
Reef Relief INC REEF RELIEF is a nonprofit membership organization dedicated to improving and protecting our coral REEF… 59-2696402 · FY2024 Key West, FL $496.8K $447.4K $600.4K 97% 2% 4 501(c)(3)
Fins Attached Marine Research and Conservation To conduct RESEARCH and promote CONSERVATION and provide education for the protection of the MARINE ecosystem. 27-3567356 · FY2024 Colorado Spgs, CO $495.7K $432.6K $395.5K 100% 0% — 501(c)(3)
Home Ground Habitats The purpose of this organization is to provide a source of native plants and education to the public and to… 84-3398667 · FY2024 Novato, CA $490.9K $319.8K $497.4K 97% 0% 2 501(c)(3)
Reef Fish Conservation and Education Foundation INC To preserve and protect reef fish in the Gulf of Mexico through science and education. 81-4057000 · FY2024 Galveston, TX $483.9K $88.3K $2.0M 84% 0% — 501(c)(3)
Turks and Caicos Reef Fund INC Environmental protection, research and advocacy in the Turks & Caicos Islands 47-1190348 · FY2024 Forked River, NJ $474.2K $462.1K $389.3K 76% 0% — 501(c)(3)
Oceanic Research Group INC To bring awareness to the conversation of the world's ocean through education and film. 22-3240599 · FY2024 North Reading, MA $392.8K $401.6K $596.5K 93% 0% 2 501(c)(3)
Reef Renewal Foundation International Developing new and innovative ways to restore and protect coral reefs. 84-2755808 · FY2024 Larchmont, NY $302.3K $213.9K $230.4K 94% 0% — 501(c)(3)
Friends of the Marine Science Center INC MARINE SCIENCE education 59-3718113 · FY2024 Ponce Inlet, FL $223.3K $90.7K $540.7K 91% 0% — 501(c)(3)
Marine Education Research and Rehabilitation Institute INC EDUCATION & RESEARCH & rescue of MARINE mammals 51-0403012 · FY2024 Lewes, DE $205.2K $208.6K $486.1K 87% 0% — 501(c)(3)
Diving with a Purpose and Development Group INC Diving with a Purpose (DWP) We are dedicated to the conservation and protection of submerged heritage… 90-0883785 · FY2024 Nashville, TN $199.9K — $102.2K — — — 501(c)(3)
Institute of Diving Incorporated To provide access to underwater technology for the benefit of educating interested individuals. 59-1765521 · FY2025 P C Beach, FL $192.5K $161.3K $1.3M 100% 0% 3 501(c)(3)
Fish Reef Project Helping ocean life thrive by global restoration of kelp and coral ecosystem 45-2587074 · FY2024 Santa Barbara, CA $140.9K $264.0K $561.7K 82% 0% — 501(c)(3)
International Society for Reef Studies To advance the worldwide knowledge of coral reefs 48-1109700 · FY2024 Tavernier, FL $139.9K $81.1K $504.2K 100% 0% — 501(c)(3)
Environment & Coral Reef Conservation Foundation INC 45-2905699 · FY2023 Miami, FL $125.0K $171.4K $16.8M — — — 501(c)(3)
Deepwater Experiential Education Project INC DEEPWATER EXPERIENTIAL EDUCATION PROJECT provides funding and other resources for young people from diverse… 13-4214754 · FY2025 Westport, NY $124.8K $70.2K $731.9K 87% 0% — 501(c)(3)
Association for Marine Exploration 20-0066222 · FY2022 Honolulu, HI $103.3K — $0 — — — 501(c)(3)
Beyond the Reef International BEYOND the REEF INTERNATIONAL works to create an abundant and diverse marine ecosystem that simultaneously… 87-1874077 · FY2025 Seal Beach, CA $53.2K — $249.0K — — — 501(c)(3)
Shoreline Education for Awareness Sea INC 93-1042801 · FY2024 Bandon, OR $3.0K — $49.4K — — — 501(c)(3)
2,046,138
nonprofits
212,946
funders
12,515,252
grants
22,549,931
directors
214,365
service providers
549,896,012
financial lines
Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org