Funding search · EIN 510245279 · Princeton, NJ

Tortuga Charitable Foundation

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$31.8M
in grants paid: 440
grants: 263
recipients: 2022–2025
filing years

Recent grants

The 100 largest recent grants from this foundation’s filings, newest year first.

$300,000
Rockefeller Family Fund · New York, NY · 2025
Charitable
$200,000
Environmental Integrity Project · Washington, DC · 2025
Charitable
$200,000
Resources Legacy Fund · Sacramento, CA · 2025
Charitable
$175,000
Spiral House Park · Saugerties, NY · 2025
Charitable
$165,000
Bennington College Corporation · Bennington, VT · 2025
Charitable
$165,000
Nature Conservancy · New Haven, CT · 2025
Charitable
$150,000
Planned Parenthood Federation of Am · New York, NY · 2025
Charitable
$125,000
Land Trust Alliance Incorporated · Washington, DC · 2025
Charitable
$125,000
Trustees for Alaska · Anchorage, AK · 2025
Charitable
$125,000
Climate and Clean Energy Equity Fun · Washington, DC · 2025
Charitable
$125,000
Abortion Care Network · Washington, DC · 2025
Charitable
$125,000
Earthjustice · San Francisco, CA · 2025
Charitable
$125,000
Regenerative Agriculture Foundation · Minneapolis, MN · 2025
Charitable
$100,000
Oregon Natural Desert Association I · Bend, OR · 2025
Charitable
$100,000
Native Americans in Philanthropy · Washington, DC · 2025
Charitable
$100,000
National Womens Law Center · Washington, DC · 2025
Charitable
$100,000
National Institute for Reproductive · New York, NY · 2025
Charitable
$100,000
National Caucus of Environmental Le · Washington, DC · 2025
Charitable
$100,000
Institute for Energy Economics · Valley City, OH · 2025
Charitable
$100,000
International Planned Parenthood Fe · New York, NY · 2025
Charitable
$100,000
Center for Rural Affairs · Lyons, NE · 2025
Charitable
$100,000
Wildlife Conservation Society · Bronx, NY · 2025
Charitable
$100,000
Alaska Wilderness League · Washington, DC · 2025
Charitable
$100,000
Nature Conservancy · North Charleston, SC · 2025
Charitable
$100,000
Just Transition Fund · Keswick, VA · 2025
Charitable
$100,000
Western Environmental Law Center · Eugene, OR · 2025
Charitable
$100,000
Redford Center · San Francisco, CA · 2025
Charitable
$100,000
Planned Parenthood of Southern New · New Haven, CT · 2025
Charitable
$100,000
Rocky Mountain Planned Parenthood I · Denver, CO · 2025
Charitable
$100,000
Southern Environmental Law Center · Charlottesville, VA · 2025
Charitable
$100,000
Women Donors Network · San Francisco, CA · 2025
Charitable
$100,000
Windward Fund · Washington, DC · 2025
Charitable
$100,000
Amigos Bravos · Taos, NM · 2025
Charitable
$100,000
Rockefeller Philanthropy Advisors I · New York, NY · 2025
Charitable
$85,000
Foodshed Capital · Charlottesville, VA · 2025
Charitable
$80,000
Mount Grace Land Conservation Trust · Athol, MA · 2025
Charitable
$80,000
University of Washington Foundation · Seattle, WA · 2025
Charitable
$75,000
Dogwood Alliance · Asheville, NC · 2025
Charitable
$75,000
Guardian Org Foundation · Washington, DC · 2025
Charitable
$75,000
Heart of the Rockies Initiative · Missoula, MT · 2025
Charitable
$75,000
Partnership for Policy Integrity in · Amherst, MA · 2025
Charitable
$75,000
Home Energy Efficiency Team · Boston, MA · 2025
Charitable
$75,000
New York Public Interest Research G · New York, NY · 2025
Charitable
$75,000
New Venture Fund · Washington, DC · 2025
Charitable
$75,000
Intertribal Agriculture Council · Billings, MT · 2025
Charitable
$75,000
Woodstock Land Conservancy · Woodstock, NY · 2025
Charitable
$75,000
Alaska Conservation Foundation · Anchorage, AK · 2025
Charitable
$75,000
Colorado Organization for Latina Op · Denver, CO · 2025
Charitable
$75,000
Oregon Desert Land Trust · Bend, OR · 2025
Charitable
$75,000
Earth Island Institute · Berkeley, CA · 2025
Charitable
$75,000
Earthworks · Washington, DC · 2025
Charitable
$75,000
Environmental Law Policy Center of · Chicago, IL · 2025
Charitable
$75,000
Initiative for Responsible Mining a · Seattle, WA · 2025
Charitable
$75,000
Multiplier · San Francisco, CA · 2025
Charitable
$75,000
National Parks Conservation Associa · Washington, DC · 2025
Charitable
$75,000
Savanna Institute · Madison, WI · 2025
Charitable
$75,000
Louisiana Bucket Brigade · New Orleans, LA · 2025
Charitable
$75,000
Interlace Commons · Bristol, VT · 2025
Charitable
$75,000
Appalachian Mountain Advocates · Lewisburg, WV · 2025
Charitable
$75,000
Commission Shift · Laredo, TX · 2025
Charitable
$75,000
Vote Solar · San Francisco, CA · 2025
Charitable
$75,000
Conservation Lands Foundation · Durango, CO · 2025
Charitable
$75,000
State Democracy Project · Brooklyn, NY · 2025
Charitable
$75,000
Ecdysis Foundation · Estelline, SD · 2025
Charitable
$75,000
Southeastern Wind Coalition · Chapel Hill, NC · 2025
Charitable
$75,000
Southeast Alaska Conservation Counc · Juneau, AK · 2025
Charitable
$75,000
Scenic Hudson · Poughkeepsie, NY · 2025
Charitable
$75,000
Greater Yellowstone Coalition · Bozeman, MT · 2025
Charitable
$70,000
New Mexico Wilderness Alliance · Albuquerque, NM · 2025
Charitable
$65,000
Wildearth Guardians · Santa Fe, NM · 2025
Charitable
$65,000
Environmental Advocates Ny · Albany, NY · 2025
Charitable
$65,000
Toxic-Free Future · Seattle, WA · 2025
Charitable
$60,000
Wild Earth Society Incorporated · Salt Lake City, UT · 2025
Charitable
$60,000
Friends of Nevada Wilderness · Sparks, NV · 2025
Charitable
$50,000
Puget Soundkeeper Alliance · Seattle, WA · 2025
Charitable
$50,000
Abortion Action Missouri Foundation · St Louis, MO · 2025
Charitable
$50,000
Conservation Nw · Seattle, WA · 2025
Charitable
$50,000
West Virginia Rivers Coalition · Charleston, WV · 2025
Charitable
$50,000
Washington Wild · Seattle, WA · 2025
Charitable
$50,000
South Carolina Environmental Law Pr · Pawleys Island, SC · 2025
Charitable
$50,000
Catskill Animal Sanctuary · Saugerties, NY · 2025
Charitable
$50,000
Alliance for a Green Economy · Syracuse, NY · 2025
Charitable
$50,000
Brigid Alliance · New York, NY · 2025
Charitable
$50,000
Spruce Root · Juneau, AK · 2025
Charitable
$50,000
Humane Education Advocates Reaching · Mamaroneck, NY · 2025
Charitable
$50,000
Physicians Committee for Responsibl · Washington, DC · 2025
Charitable
$50,000
Planned Parenthood South Atlantic · Raleigh, NC · 2025
Charitable
$45,000
Whitman-Walker Foundation · Washington, DC · 2025
Charitable
$40,000
Northwest Abortion Access Fund · Portland, OR · 2025
Charitable
$40,000
Puget Sound Restoration Fund · Bainbridge Island, WA · 2025
Charitable
$32,500
Koala Conservation Australia Limite · 2025
Charitable
$30,000
Neo Philanthropy · New York, NY · 2025
Charitable
$25,000
Generation180 · Charlottesville, VA · 2025
Charitable
$25,000
Sustainable Markets Foundation · New York, NY · 2025
Charitable
$25,000
Wild Arizona · Tucson, AZ · 2025
Charitable
$25,000
Turtle Survival Alliance · North Charleston, SC · 2025
Charitable
$25,000
Planned Parenthood of Greater Washi · Yakima, WA · 2025
Charitable
$25,000
Surfrider Foundation · San Clemente, CA · 2025
Charitable
$25,000
Wyoming Wilderness Association · Sheridan, WY · 2025
Charitable
$25,000
Colorado Nonprofit Development Cent · Denver, CO · 2025
Charitable

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call. Most private foundations do not accept unsolicited applications; the route in is usually a program officer.