Tortuga Charitable Foundation
Invitation OnlyPrinceton, New Jersey · EIN 51-0245279 · Private foundation
Grants paid (2025)$8.5M
Organizations funded81
Typical grant$75,000
Total assets$171.9M
Half of its grants to organizations were between $50,000 and $100,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside New Jersey.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Rockefeller Family Fund Inc | New York, NY | Charitable | $300,000 |
| Resources Legacy Fund | Sacramento, CA | Charitable | $200,000 |
| Environmental Integrity Project | Washington, DC | Charitable | $200,000 |
| Bennington College Corporation | Bennington, VT | Charitable | $165,000 |
| Abortion Care Network | Washington, DC | Charitable | $125,000 |
| Land Trust Alliance Incorporated | Washington, DC | Charitable | $125,000 |
| Regenerative Agriculture Foundation | Minneapolis, MN | Charitable | $125,000 |
| Just Transition Fund | Keswick, VA | Charitable | $100,000 |
| Southern Environmental Law Center | Charlottesville, VA | Charitable | $100,000 |
| Redford Center Inc | San Francisco, CA | Charitable | $100,000 |
| Western Environmental Law Center | Eugene, OR | Charitable | $100,000 |
| Alaska Wilderness League | Washington, DC | Charitable | $100,000 |
| Amigos Bravos Inc | Taos, NM | Charitable | $100,000 |
| Center for Rural Affairs | Lyons, NE | Charitable | $100,000 |
| International Planned Parenthood Fe | New York, NY | Charitable | $100,000 |
| Institute for Energy Economics | Valley City, OH | Charitable | $100,000 |
| National Caucus of Environmental Le | Washington, DC | Charitable | $100,000 |
| National Institute for Reproductive | New York, NY | Charitable | $100,000 |
| National Womens Law Center | Washington, DC | Charitable | $100,000 |
| Oregon Natural Desert Association I | Bend, OR | Charitable | $100,000 |
| Wildlife Conservation Society | Bronx, NY | Charitable | $100,000 |
| Windward Fund | Washington, DC | Charitable | $100,000 |
| Women Donors Network | San Francisco, CA | Charitable | $100,000 |
| University of Washington Foundation | Seattle, WA | Charitable | $80,000 |
| Mount Grace Land Conservation Trust | Athol, MA | Charitable | $80,000 |
| Appalachian Mountain Advocates Inc | Lewisburg, WV | Charitable | $75,000 |
| Commission Shift | Laredo, TX | Charitable | $75,000 |
| Conservation Lands Foundation | Durango, CO | Charitable | $75,000 |
| Ecdysis Foundation | Estelline, SD | Charitable | $75,000 |
| Greater Yellowstone Coalition Inc | Bozeman, MT | Charitable | $75,000 |
| Guardian Org Foundation | Washington, DC | Charitable | $75,000 |
| Home Energy Efficiency Team Inc | Boston, MA | Charitable | $75,000 |
| Interlace Commons Inc | Bristol, VT | Charitable | $75,000 |
| Intertribal Agriculture Council Inc | Billings, MT | Charitable | $75,000 |
| National Parks Conservation Associa | Washington, DC | Charitable | $75,000 |
| Oregon Desert Land Trust | Bend, OR | Charitable | $75,000 |
| Savanna Institute | Madison, WI | Charitable | $75,000 |
| Woodstock Land Conservancy Inc | Woodstock, NY | Charitable | $75,000 |
| Alaska Conservation Foundation | Anchorage, AK | Charitable | $75,000 |
| Colorado Organization for Latina Op | Denver, CO | Charitable | $75,000 |
| Dogwood Alliance Inc | Asheville, NC | Charitable | $75,000 |
| Earth Island Institute Inc | Berkeley, CA | Charitable | $75,000 |
| Environmental Law Policy Center of | Chicago, IL | Charitable | $75,000 |
| New Venture Fund | Washington, DC | Charitable | $75,000 |
| New Venture Fund | Washington, DC | Charitable | $75,000 |
| New Venture Fund | Washington, DC | Charitable | $75,000 |
| Partnership for Policy Integrity In | Amherst, MA | Charitable | $75,000 |
| Scenic Hudson Inc | Poughkeepsie, NY | Charitable | $75,000 |
| Southeastern Wind Coalition Inc | Chapel Hill, NC | Charitable | $75,000 |
| State Democracy Project | Brooklyn, NY | Charitable | $75,000 |
| New Mexico Wilderness Alliance | Albuquerque, NM | Charitable | $70,000 |
| Environmental Advocates NY Inc | Albany, NY | Charitable | $65,000 |
| Friends of Nevada Wilderness | Sparks, NV | Charitable | $60,000 |
| Wild Earth Society Incorporated | Salt Lake City, UT | Charitable | $60,000 |
| Alliance for a Green Economy | Syracuse, NY | Charitable | $50,000 |
| Brigid Alliance Inc | New York, NY | Charitable | $50,000 |
| Catskill Animal Sanctuary Inc | Saugerties, NY | Charitable | $50,000 |
| Humane Education Advocates Reaching | Mamaroneck, NY | Charitable | $50,000 |
| Physicians Committee for Responsibl | Washington, DC | Charitable | $50,000 |
| Puget Soundkeeper Alliance | Seattle, WA | Charitable | $50,000 |
Showing the 60 largest of 81 grants to organizations.
The return also lists 32 grants to individuals ($2,522,500). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $8,515,500 | 113 |
| 2024 | $8,081,500 | 118 |
| 2023 | $7,762,816 | 105 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 5, 2026 - IRS e-file batch, object ID 202601259349101845
- IRS Tax Exempt Organization Search for EIN 51-0245279
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.