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Organization	Location	Revenue	Expenses	Assets	Program	Fundr. cost	Employees	Type
National Save the Sea Turtle Foundation INC Preservation of marine life, concentrating efforts on endandered species.to support programs to clean… 59-2828707 · FY2024	N Palm Beach, FL	$11.5M	$9.7M	$38.6M	97%	0%	2	501(c)(3)
Sea Turtle Conservancy To ensure the survival of sea turtles within the wider Caribbean basin and Atlantic through research… 59-6151069 · FY2024	Gainesville, FL	$4.1M	$4.4M	$9.3M	84%	8%	15	501(c)(3)
Sea Turtle INC SEA TURTLE INC. Rescues, rehabilitates, and releases injured SEA turtles, educates the public, and assists… 74-2042030 · FY2024	South Padre Island, TX	$4.0M	$2.2M	$20.8M	66%	0%	39	501(c)(3)
The Turtle Survival Alliance Foundation To protect and restore wild populations of tortoises and turtles. 20-0785702 · FY2024	North Charleston, SC	$3.8M	$4.3M	$16.6M	80%	13%	29	501(c)(3)
Turtle Conservancy Protection and promotion of threatened turtles and tortoises and their habitats. 20-2899240 · FY2024	Ojai, CA	$3.3M	$3.4M	$2.6M	78%	6%	18	501(c)(3)
Papahanaumokuakea Marine Debris Project INC Papahanaumokuakea Marine Debris Project, Inc. has been organized for the purpose of marine life conservation… 83-4554194 · FY2024	Kailua, HI	$3.3M	$3.2M	$390.8K	94%	1%	6	501(c)(3)
Upwell Turtles To protect and recover endangered populations of turtles by reducing threats at sea. 82-1309235 · FY2025	Monterey, CA	$2.0M	$1.5M	$1.6M	88%	7%	4	501(c)(3)
Northwest Straits Marine Conservation Foundation To protect and restore the health of the MARINE ecosystem by promoting and implementing science based… 91-2147136 · FY2023	Bellingham, WA	$1.8M	$1.7M	$816.7K	78%	4%	11	501(c)(3)
Turtle Island Restoration Network To mobilize people in local communities around the world to protect marine wildlife and the oceans and inland… 91-1818080 · FY2023	Forest Knolls, CA	$1.7M	$1.5M	$4.3M	73%	11%	15	501(c)(3)
Hawaii Wildlife Center Care and conservation of threatened native winged WILDLIFE. 20-1489691 · FY2024	Kapaau, HI	$1.4M	$1.3M	$2.5M	69%	11%	13	501(c)(3)
Sustainable Coastlines Hawaii The reduction of pollution on COASTLINES through large scale beach cleanups and education. 45-2596726 · FY2024	Honolulu, HI	$1.1M	$1.1M	$878.3K	79%	4%	4	501(c)(3)
Marine Megafauna Foundation Save threatened marine life using pioneering research, education, and sustainable conservation solutions 46-0645082 · FY2024	West Palm Bch, FL	$796.0K	$767.6K	$182.6K	93%	2%	—	501(c)(3)
See Turtles Protecting sea turtles around the world through conservation tours, funding for nesting beaches, and… 81-4325149 · FY2024	Portland, OR	$712.8K	$729.5K	$105.4K	94%	0%	1	501(c)(3)
Navarre Beach Sea Turtle Conservation Center INC To "give sea turtles more tomorrows" through conservation, education and research. We are a working… 45-5197646 · FY2024	Navarre, FL	$708.3K	$557.9K	$1.3M	81%	0%	18	501(c)(3)
Malama Haleakala Foundation Support the protection of the vital terrestrial and near-shore ecosystems of HALEAKALA 92-1748165 · FY2024	Makawao, HI	$634.2K	$591.3K	$50.2K	100%	0%	—	501(c)(3)
Hawaii Wildlife Fund Native hawaiian WILDLIFE protection, research and education 99-0326669 · FY2024	Kealakekua, HI	$632.5K	$759.6K	$210.9K	96%	0%	3	501(c)(3)
Kure Atoll Conservancy The support of ongoing State of Hawaii habitat restoration and other wildlife management programs that… 26-4011181 · FY2024	Volcano, HI	$585.0K	$223.2K	$380.0K	87%	0%	6	501(c)(3)
Sea Turtle Adventures Incorporated The mission of SEA TURTLE ADVENTURES INC ("sta") is to conserve local populations of SEA turtles, educate the… 81-3999409 · FY2024	Boynton Beach, FL	$583.7K	$527.5K	$105.5K	59%	0%	7	501(c)(3)
Turtle Island Corporation To preserve, protect and prevent the extinction of endangered TURTLE species. 83-1706767 · FY2024	Atlanta, GA	$574.5K	$782.4K	$384.0K	56%	44%	—	501(c)(3)
Leatherback Project INC Dedicated to protecting the LEATHERBACK sea turtle and other threatened and endangered marine species through… 84-2922562 · FY2024	Norfolk, MA	$569.9K	$413.7K	$189.8K	83%	7%	—	501(c)(3)
Texas Foundation for Conservation Fish and wildlife conservation and outreach 81-3971522 · FY2024	Dallas, TX	$440.0K	$434.4K	$79.5K	100%	0%	—	501(c)(3)
Maui Ocean Center Marine Institute To inspire lifelong environmental stewardship and ensure the survival of coral reefs and sea turtles in… 81-2540684 · FY2024	Wailuku, HI	$393.5K	$394.5K	$47.0K	96%	2%	5	501(c)(3)
International Sea Turtle Society Mission: bring people together to promote the exchange of information that advances the global knowledge of… 57-1029746 · FY2024	Surf City, NC	$385.2K	$353.9K	$548.3K	74%	0%	—	501(c)(3)
Bold Visions Conservation Wildlife and Land Protection 46-1905311 · FY2024	Albuquerque, NM	$302.7K	$296.1K	$45.7K	79%	13%	1	501(c)(3)
Kwiaht Center for the Historial Ecology of the Salish Sea Science for stewardship of the san juan islands including studies of long term change in marine and… 30-0355067 · FY2024	Lopez Island, WA	$286.6K	$236.6K	$107.6K	75%	0%	1	501(c)(3)
Aloha Puu Kukui Protection and conservation of the environment and ecosystems of the west maui mountains through restoration… 99-2785743 · FY2024	Lahaina, HI	$279.5K	$68.8K	$210.6K	84%	2%	1	501(c)(3)
Malama Pupukea-Waimea Environmental education and stewardship of the Pupukea Marine Life Conservation District 27-0855937 · FY2024	Haleiwa, HI	$236.3K	$234.8K	$195.3K	90%	4%	—	501(c)(3)
Texas Marine Mammal Stranding Network TMMSN promotes marine mammal conservation through rescue rehab research of wild populations and strandings… 76-0260111 · FY2024	Galveston, TX	$207.5K	$311.8K	$398.9K	96%	0%	3	501(c)(3)
Save the Sea Turtles International 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)
Ocean Ecology Network INC Provide support to marine turtle projects. 27-2167263 · FY2023	San Diego, CA	$200.2K	$211.4K	$59.5K	100%	0%	1	501(c)(3)
Ocean Conservation Research 26-0719608 · FY2024	Lagunitas, CA	$190.0K	—	$67.4K	—	—	—	501(c)(3)
Marine Conservation Without Borders 81-3122642 · FY2023	Florence, SC	$186.0K	—	$0	—	—	—	501(c)(3)
Network for Endangered Sea Turtles N E S T INC Protection of SEA TURTLES and their habitat in outer banks, nc. Rescue and rehabilitation of sick and injured… 56-1956901 · FY2024	Kitty Hawk, NC	$160.8K	$99.6K	$662.0K	100%	0%	—	501(c)(3)
Conservation Action Project 31-1544350 · FY2025	Bowling Green, OH	$102.6K	—	$145.9K	—	—	—	501(c)(3)
Sea Turtle Trackers 46-3922604 · FY2023	St Pete Beach, FL	$73.3K	—	$101.3K	—	—	—	501(c)(3)
Pacific Mammal Research 47-2296603 · FY2024	Anacortes, WA	$73.3K	—	$54.5K	—	—	—	501(c)(3)
Pacific Bird Conservation 45-5503536 · FY2024	Hawaii National Park, HI	$70.4K	—	$62.8K	—	—	—	501(c)(3)
Shoreline Conservation Initiative 83-3112194 · FY2020	Haleiwa, HI	$66.4K	—	$0	—	—	—	501(c)(3)
Sea Girt Conservancy INC 85-1214425 · FY2024	Sea Girt, NJ	$40.6K	—	$137.6K	—	—	—	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