Otter Island Foundation
Invitation OnlyHouston, Texas · EIN 76-0421104 · Private foundation
Grants paid (2025)$191K
Organizations funded86
Typical grant$1,000
Total assets$4.1M
Half of its grants to organizations were between $500 and $2,500.
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
81% of grants went outside Texas.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Connecticut College | New London, CT | Education fund | $27,000 |
| Island Institute | Rockland, ME | Annual fund campaign | $13,500 |
| Strand Theater | Baltimore, MD | Annual fund | $12,000 |
| Girls Foundation of Tanzania | Portland, ME | Annual fund | $11,000 |
| Farnsworth Art Museum | Rockland, ME | Annual fund campaign | $10,000 |
| Hermann Park Conservancy | Houston, TX | Annual fund campaign | $5,500 |
| First Congregational Society of Gilmanton | Gilmanton, NH | Annual fund | $5,000 |
| Penobscot Bay YMCA | Rockport, ME | Sustaining campaign | $5,000 |
| Poe Elementary School PTO | Houston, TX | General fund | $5,000 |
| San Francisco Day School | San Francisco, CA | Annual fund campaign | $5,000 |
| Duke University | Durham, NC | Education fund | $4,500 |
| Children's Museum of Houston | Houston, TX | Annual fund | $4,000 |
| North Bridge Academy | Mill Valley, CA | Annual | $4,000 |
| Annunciation Orthodox School | Houston, TX | Annual fund campaign | $3,500 |
| Cure Alzheimer's Fund | Wellesley Hills, MA | Medical research | $3,000 |
| United Midcoast Charities | Camden, ME | Annual fund campaign | $3,000 |
| Calvary Presbyterian Church | San Francisco, CA | Annual fund campaign | $2,500 |
| Glide Foundation | San Francisco, CA | Annual fund campaign | $2,500 |
| Houston Methodist Hospital Foundation | Houston, TX | Annual fund | $2,500 |
| Md Anderson Cancer Center | Houston, TX | Annual fund | $2,500 |
| Planned Parenthood Federation of America Inc | New York, NY | Annual fund | $2,500 |
| Rockwood Community Church | Rockwood, ME | Annual fund | $2,500 |
| American Civil Liberties Union Foundation | New York, NY | Annual fund | $2,000 |
| Groton School | Groton, MA | Annual fund campaign | $2,000 |
| Mothers Against Media Addiction | New York, NY | Annual fund | $2,000 |
| Colorado Gives Foundation | Arvada, CO | Annual fund | $1,500 |
| Lawndale Art Center | Houston, TX | Annual fund | $1,500 |
| Northern Light Ca Dean Hospital Foundation | Brewer, ME | Annual fund | $1,500 |
| Pen Bay Waldo Healthcare Foundation | Torrance, CA | Annual fund | $1,500 |
| St George's School | Newport, RI | Scholarship, annual fund campaign | $1,500 |
| Friends of Boulder | Boulder, MT | Annual fund | $1,350 |
| Alley Theatre | Houston, TX | Annual fund campaign | $1,000 |
| Alzheimer's Foundation of America | New York, NY | Annual fund campaign | $1,000 |
| Astrodome Conservancy | Houston, TX | Annual fund | $1,000 |
| Berkley Repertory Theater | Berkley, CA | Annual fund | $1,000 |
| Boulder Ballet | Boulder, CO | Annual fund | $1,000 |
| Camden Public Library | Camden, ME | Annual fund campaign | $1,000 |
| Center for Maine Contemporary Art | Rockland, ME | Annual fund campaign | $1,000 |
| Church of Christ | Holden, MO | Annual fund | $1,000 |
| Coastal Mountains Land Trust | Camden, ME | Annual fund campaign | $1,000 |
| Colorado College | Colorado Springs, CO | Annual fund campaign | $1,000 |
| Curry School of Education Foundation | Charlottesville, VA | Education fund | $1,000 |
| Equal Justice Initiative | Montgomery, AL | Annual fund campaign | $1,000 |
| Everytown for Gun Safety Support Fund | New York, NY | Grant for the support fund | $1,000 |
| Houston Public Media Foundation | Houston, TX | Annual fund campaign | $1,000 |
| Impact on Education | Louisville, CO | Annual fund campaign | $1,000 |
| International Rett Syndrome Foundation | Cincinnati, OH | Annual fund campaign | $1,000 |
| Kqed | San Francisco, CA | Annual fund | $1,000 |
| Lanier PTO | Houston, TX | General fund | $1,000 |
| Maine Coast Heritage Trust | Topsham, ME | Annual fund campaign | $1,000 |
| Maysles Institute Inc | New York, NY | Annual fund campaign | $1,000 |
| Montpelier - the General Henry Knox Museum | Thomaston, ME | Annual fund campaign | $1,000 |
| Pomfret School | Pomfret, CT | Annual fund campaign | $1,000 |
| Rockport Public Library | Rockport, ME | Annual fund | $1,000 |
| Smith College | Northampton, MA | Annual fund campaign | $1,000 |
| Texas Christion University | Fort Worth, TX | Annual fund campaign | $1,000 |
| Trees for Houstonboca | Houston, TX | Annual fund campaign | $1,000 |
| Ut Health | Houston, TX | Student assistance fund | $1,000 |
| Vanderbilt University | Nashville, TN | Peabody college of education and human development | $1,000 |
| Friends of Fleming Park | Houston, TX | Annual fund campaign | $800 |
Showing the 60 largest of 86 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $191,400 | 86 |
| 2024 | $181,320 | 82 |
| 2023 | $194,563 | 101 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 24, 2026 - IRS e-file batch, object ID 202632369349100028
- IRS Tax Exempt Organization Search for EIN 76-0421104
- 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.