Funding search · EIN 510245279 · Princeton, NJ
Tortuga Charitable Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 440
- grants reported
- $31.8M
- total given
- 2022–2025
- filing years
- $75,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
accountabilityjustlandsprotectpublicresearchtransitionwyoming
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- The Nature Conservancy2 grants · $730,000
- Rockefeller Family Fund2 grants · $600,000
- Nature Conservancy5 grants · $445,000
- Environmental Integrity Project2 grants · $410,000
- Environmental Integrity Project2 grants · $400,000
- Bennington College2 grants · $375,000
- Mount Grace Land Conservation Trust2 grants · $360,000
- Rockefeller Family Fund2 grants · $325,000
- Bennington College Corporation2 grants · $315,000
- Louisianna Bucket Brigade2 grants · $300,000
Giving over time
Grant history
The 100 largest of 440 grants.
- $370,000
The Nature Conservancy · Arlington, VA · 2023
General charitable purposes
- $360,000
The Nature Conservancy · Arlington, VA · 2022
General charitable purposes
- $300,000
Rockefeller Family Fund · New York, NY · 2025
Charitable
- $300,000
Rockefeller Family Fund · New York, NY · 2024
Charitable
- $250,000
Voter Registration Project · Washington, DC · 2024
Charitable
- $250,000
Rockefeller Family Fund · New York, NY · 2023
General charitable purposes
- $225,000
Bennington College · Bennington, VT · 2022
General charitable purposes
- $225,000
New Venture Fund · Washington, DC · 2022
General charitable purposes
- $211,500
Craig Hospital · Englewood, CO · 2022
General charitable purposes
- $210,000
Environmental Integrity Project · Washington, DC · 2022
General charitable purposes
- $200,000
Environmental Integrity Project · Washington, DC · 2025
Charitable
- $200,000
Resources Legacy Fund · Sacramento, CA · 2025
Charitable
- $200,000
Environmental Integrity Project · Washington, DC · 2024
Charitable
- $200,000
Environmental Integrity Project · Washington, DC · 2023
General charitable purposes
- $200,000
New York Public Interest Research · New York, NY · 2023
General charitable purposes
- $195,000
Mount Grace Land Conservation Trust · Athol, MA · 2023
General charitable purposes
- $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
- $165,000
Mount Grace Land Conservation Trust · Athol, MA · 2022
General charitable purposes
- $160,000
Nature Conservancy · Arlington, VA · 2024
Charitable
- $150,000
Planned Parenthood Federation of Am · New York, NY · 2025
Charitable
- $150,000
Bennington College Corporation · Bennington, VT · 2024
Charitable
- $150,000
Climate and Clean Energy Equity Fun · Washington, DC · 2024
Charitable
- $150,000
Planned Parenthood Federation of Am · New York, NY · 2024
Charitable
- $150,000
Bennington College · Bennington, VT · 2023
General charitable purposes
- $150,000
Climate and Clean Energy Equity Fund · Washington, DC · 2023
General charitable purposes
- $150,000
Ecdysis Foundation · Estelline, SD · 2023
General charitable purposes
- $150,000
Louisianna Bucket Brigade · New Orleans, LA · 2023
General charitable purposes
- $150,000
Planned Parenthood Federation of America · Washington, DC · 2023
General charitable purposes
- $150,000
Ct Audubon Society · Fairfield, CT · 2022
General charitable purposes
- $150,000
Louisianna Bucket Brigade · New Orleans, LA · 2022
General charitable purposes
- $150,000
Planned Parenthood Federation of America · Washington, DC · 2022
General charitable purposes
- $135,000
Southern Environmental Law Center · Charlottesville, VA · 2022
General charitable purposes
- $125,000
Abortion Care Network · Washington, DC · 2025
Charitable
- $125,000
Climate and Clean Energy Equity Fun · Washington, DC · 2025
Charitable
- $125,000
Earthjustice · San Francisco, CA · 2025
Charitable
- $125,000
Land Trust Alliance Incorporated · Washington, DC · 2025
Charitable
- $125,000
Regenerative Agriculture Foundation · Minneapolis, MN · 2025
Charitable
- $125,000
Trustees for Alaska · Anchorage, AK · 2025
Charitable
- $125,000
Land Trust Alliance Incorporated · Washington, DC · 2024
Charitable
- $125,000
Trustees for Alaska · Anchorage, AK · 2024
Charitable
- $125,000
Trustees for Alaska · Anchorage, AK · 2023
General charitable purposes
- $125,000
Center for Biological Diversity · Tucson, AZ · 2022
General charitable purposes
- $125,000
Trustees for Alaska · Anchorage, AK · 2022
General charitable purposes
- $100,000
Alaska Wilderness League · Washington, DC · 2025
Charitable
- $100,000
Amigos Bravos · Taos, NM · 2025
Charitable
- $100,000
Center for Rural Affairs · Lyons, NE · 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
Just Transition Fund · Keswick, VA · 2025
Charitable
- $100,000
National Caucus of Environmental Le · Washington, DC · 2025
Charitable
- $100,000
National Institute for Reproductive · New York, NY · 2025
Charitable
- $100,000
National Womens Law Center · Washington, DC · 2025
Charitable
- $100,000
Native Americans in Philanthropy · Washington, DC · 2025
Charitable
- $100,000
Nature Conservancy · North Charleston, SC · 2025
Charitable
- $100,000
Oregon Natural Desert Association I · Bend, OR · 2025
Charitable
- $100,000
Planned Parenthood of Southern New · New Haven, CT · 2025
Charitable
- $100,000
Redford Center · San Francisco, CA · 2025
Charitable
- $100,000
Rockefeller Philanthropy Advisors I · New York, NY · 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
Western Environmental Law Center · Eugene, OR · 2025
Charitable
- $100,000
Wildlife Conservation Society · Bronx, NY · 2025
Charitable
- $100,000
Windward Fund · Washington, DC · 2025
Charitable
- $100,000
Women Donors Network · San Francisco, CA · 2025
Charitable
- $100,000
Abortion Care Network · Washington, DC · 2024
Charitable
- $100,000
Institute for Energy Economics and · Lakewood, OH · 2024
Charitable
- $100,000
Native Americans in Philanthropy · Washington, DC · 2024
Charitable
- $100,000
Open Space Institute · New York, NY · 2024
Charitable
- $100,000
Planned Parenthood of Southern New · New Haven, CT · 2024
Charitable
- $100,000
Planned Parenthood South Atlantic · Raleigh, NC · 2024
Charitable
- $100,000
Regenerative Agriculture Foundation · Minneapolis, MN · 2024
Charitable
- $100,000
Rockefeller Philanthropy Advisors I · New York, NY · 2024
Charitable
- $100,000
Southern Environmental Law Center · Charlottesville, VA · 2024
Charitable
- $100,000
Western Environmental Law Center · Eugene, OR · 2024
Charitable
- $100,000
Wildlife Conservation Society · Bronx, NY · 2024
Charitable
- $100,000
Abortion Care Network · Washington, DC · 2023
General charitable purposes
- $100,000
Amigos Bravos · Taos, NM · 2023
General charitable purposes
- $100,000
Craig Hospital Foundation · Englewood, CO · 2023
General charitable purposes
- $100,000
Institute for Energy Economics and Financial Analysis · Cleveland, OH · 2023
General charitable purposes
- $100,000
Land Trust Alliance · Washington, DC · 2023
General charitable purposes
- $100,000
Native Americans in Philanthropy · Washington, DC · 2023
General charitable purposes
- $100,000
Planned Parenthood South Atlantic · Raleigh, NC · 2023
General charitable purposes
- $100,000
Redford Center · San Francisco, CA · 2023
General charitable purposes
- $100,000
Rockefeller Philanthropy Advisors · New York, NY · 2023
Just transition fund
- $100,000
Southern Environmental Law Center · Charlottesville, VA · 2023
General charitable purposes
- $100,000
Western Environmental Law Center · Eugene, OR · 2023
General charitable purposes
- $100,000
Wildlife Conservation Society · Bronx, NY · 2023
General charitable purposes
- $100,000
Woodstock Land Conservancy · Woodstock, NY · 2023
General charitable purposes
- $100,000
Alaska Wilderness League · Washington, DC · 2022
General charitable purposes
- $100,000
Institute for Energy Economics and Financial Analysis · Cleveland, OH · 2022
General charitable purposes
- $100,000
Planned Parenthood South Atlantic · Raleigh, NC · 2022
General charitable purposes
- $100,000
Regenerative Agriculture Foundation · Minneapolis, MN · 2022
General charitable purposes
- $100,000
Save the Sound · New Haven, CT · 2022
General charitable purposes
- $100,000
Southeast Alaska Conservation Council · Juneau, AK · 2022
General charitable purposes
- $90,000
Alaska Public Interest Research Group · Anchorage, AK · 2023
General charitable purposes
- $90,000
Alaska Public Interest Research Group · Anchorage, AK · 2022
General charitable purposes
- $90,000
Center for International Environmental Law · Washington, DC · 2022
General charitable purposes
- $90,000
Northern Alaska Environmental Center · Fairbanks, AK · 2022
General charitable purposes
Who else funds this kind of work
Same state
- Hackensack Meridian Health Inc-Subordinates322 grants · $1.60B
- The Bessemer Giving Fund4,186 grants · $368.9M
- The Robert Wood Johnson Foundation13,555 grants · $2.27B
Similar purposes
- Hull Family Foundation122 grants · $23.5M
- Pa Alliance Action83 grants · $21.8M
- Strategic Victory Fund221 grants · $141.9M
Similar grant size
- The Ford Foundation10,731 grants · $2.35B
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: 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.

