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Organization	Location	Revenue	Expenses	Assets	Program	Fundr. cost	Employees	Type
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)
The Ocean Foundation As the only community foundation for the ocean, The Ocean Foundation's 501(c)(3) mission is to improve global… 71-0863908 · FY2023	Washington, DC	$18.8M	$18.8M	$17.7M	88%	2%	47	501(c)(3)
The Surfrider Foundation The SURFRIDER FOUNDATION is dedicated to the protection and enjoyment of the world's ocean, waves and… 95-3941826 · FY2024	San Clemente, CA	$14.5M	$14.5M	$21.6M	81%	11%	74	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)
The Coral Reef Alliance Our research has demonstrated that corals can adapt to the effects of environmental stressors if immediate… 94-3211245 · FY2023	San Francisco, CA	$5.1M	$4.8M	$4.7M	70%	14%	22	501(c)(3)
Seacology Seacology protects the threatened species and habitats of the worlds islands by working directly with local… 87-0495235 · FY2024	Berkeley, CA	$2.9M	$3.1M	$12.0M	77%	14%	9	501(c)(3)
Onereef Worldwide Stewardship OneReefs mission is to ensure healthy ocean ecosystems and thriving coastal communities across the Pacific. 46-4293324 · FY2024	Palo Alto, CA	$1.9M	$2.6M	$2.8M	71%	18%	8	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%	—	501(c)(3)
Reef Check Foundation Reef check's fast growing network played a major role in reports to preserve and sustain reef ecosystems… 95-4858649 · FY2024	Westlake Village, CA	$1.6M	$1.6M	$454.9K	82%	8%	20	501(c)(3)
Ripple Effect Entrepreneurs Fund INC Ripple Effect Entrepreneurs Fund (REEF) is a non-profit organization whose missionis to provide community… 83-1688000 · FY2024	Lakewood, NJ	$1.4M	$262.2K	$3.9M	69%	0%	—	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 CWORI is dedicated to conserving marine habitats and wildlife through coral reef restoration, scientific… 66-0925847 · FY2023	St Thomas, VI	$1.3M	$1.2M	$134.5K	90%	1%	15	501(c)(3)
Algae Foundation The ALGAE foundation's mission is to promote the power of ALGAE to transform human society and the… 46-2312083 · FY2024	Poland, ME	$1.2M	$1.1M	$1.6M	81%	6%	2	501(c)(3)
One People One Reef -To achieve effective and enduring protection of critical marine habitats and the people who rely on them.-To… 85-0658879 · FY2024	Soquel, CA	$1.2M	$828.9K	$471.8K	93%	0%	—	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)
Ocean Reef Conservation Association INC To protect and preserve the environment, fish, wildlife and marine related areas including water quality and… 26-4692639 · FY2024	Key Largo, FL	$680.3K	$715.6K	$1.6M	98%	0%	—	501(c)(3)
Global Coralition INC To scale coral reef restoration through a holistic model of art, science and community.we design marine… 84-2728444 · FY2024	Calabasas, CA	$604.9K	$657.3K	$30.5K	98%	2%	—	501(c)(3)
Ocean Blue Project INC Ocean Blue Project is a grassroots environmental charitable organization with a Mission to protect the health… 75-3022057 · FY2024	Corvallis, OR	$536.5K	$262.8K	$663.3K	70%	19%	—	501(c)(3)
Rock the Ocean Foundation Increase public awareness about the issues impacting the world's oceans and to support scientific research… 46-1317742 · FY2024	Nashville, TN	$507.9K	$656.6K	$431.4K	61%	23%	1	501(c)(3)
Coral of Life Foundation INC Our mission is to inspire action for CORAL reef conservation. We focus on motivating people to actively… 33-2266621 · FY2024	Cape Coral, FL	$500.0K	$0	$479.9K	—	—	—	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)
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)
Plant a Million Corals Foundation INC To turn the tide of our oceans by saving our coral reefs through restoration, technology, demonstration… 83-2506181 · FY2024	Summrlnd Key, FL	$406.3K	$568.7K	$297.9K	90%	0%	4	501(c)(3)
The Shipwreck Park INC The Shipwreck Park"s principal mission involves the creation of an underwater park system by establishing… 47-4500874 · FY2024	Pompano Beach, FL	$327.8K	$168.2K	$178.6K	100%	0%	—	501(c)(3)
Friends of the Rio Grande Valley Reef FRIENDS of the RIO GRANDE VALLEY REEF is dedicated to assisting in permitting and funding an artificial REEF… 47-4622438 · FY2024	Pharr, TX	$316.9K	$265.9K	$698.8K	83%	17%	—	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)
Ocean City Reef Foundation To create and enhance artificial reefs off the coast of OCEAN CITY maryland 52-2066987 · FY2024	Berlin, MD	$246.4K	$248.4K	$84.4K	100%	0%	—	501(c)(3)
Mission Resolve Foundation INC See Statement on Schedule O 84-2481021 · FY2024	Fort Lauderdale, FL	$222.1K	$229.6K	$27.3K	14%	0%	—	501(c)(3)
Mexico Beach Artificial Reef Association INC Build artificial reefs in the Gulf of Mexico off the coast of Mexico Beach, FL. Provide research on… 59-3447258 · FY2025	Port St Joe, FL	$213.3K	$130.6K	$740.2K	96%	1%	—	501(c)(3)
Reef Guardians Hawaii Reef Guardians' mission is reef preservation through research, restoration, and education. We raise awareness… 47-3975420 · FY2024	Princeville, HI	$200.9K	$138.1K	$189.7K	82%	9%	5	501(c)(3)
Save the Sea Turtles International DBA One Ocean Conservation We empower communities around the globe to protect SEA TURTLES, corals, sharks, and the vital marine species… 99-0344723 · FY2024	Haleiwa, HI	$200.2K	$154.3K	$89.9K	82%	0%	—	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)
Environment & Coral Reef Conservation Foundation INC 45-2905699 · FY2023	Miami, FL	$125.0K	$171.4K	$16.8M	—	—	—	501(c)(3)
Coral Nursery of Puerto Rico INC The organization's purpose is to repopulate CORAL in the ocean around PUERTO RICO. The primary activity of… 66-0989179 · FY2024	Humacao, PR	$110.9K	$60.1K	$429.2K	0%	0%	—	501(c)(3)
Andrew Red Harris Foundation INC The ANDREW RED HARRIS FOUNDATION will create large new artificial reefs in northern palm beach county in… 47-1322656 · FY2024	Jupiter, FL	$103.5K	$34.4K	$386.5K	96%	0%	—	501(c)(3)
Long Island Artificial Reef Society Ltd 87-4023450 · FY2024	Farmingdale, NY	$87.3K	—	$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)

2,046,138

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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