Robert David Lion Gardiner Foundation Inc
Historical FunderRiverhead, New York · EIN 13-3354308 · Private foundation · Website
Half of its grants to organizations were between $3,000 and $50,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | KATHRYN CURRAN |
|---|---|
| Address | 30 WEST MAIN ST, SUITE 309, RIVERHEAD NY 11901 |
| Phone | 6315943990 |
| Form and materials | ALL APPLICANTS MUST COMPLETE THE MAIN APPLICATION FORM, PROPOSAL CHECKLIST AND PARTS A - E, PLUS ATTACHMENTS, AS WELL AS ANY ADDITIONAL FORMS THAT ARE APPLICABLE TO THE PROJECT. THE APPLICATION FORMS CAN BE FOUND ON THE FOUNDATION'S WEBSITE. |
| Deadlines | GRANTS ARE REVIEWED TWICE PER YEAR. APPLICATIONS ARE DUE THE SECOND FRIDAY IN MARCH, BY 5P.M. AND TH |
| Restrictions | THE FOUNDATION GIVES GRANTS UP TO 500,000. AWARD AMOUNTS, AS WELL AS MATCHING LEVELS, VARY DEPENDING ON THE TYPE OF PROJECT. THE DIFFERENT CATEGORIES AND FUNDING LIMITS CAN BE FOUND ON THE FOUNDATION'S WEBSITE. |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
5% of grants went outside New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Cold Spring Harbor Laboratory | Cold Spring Harbor, NY | 2023 grant payment 2 of 6 | $500,000 |
| National Trust for Historic Presv | Washingon, DC | 2023 grant award pymt 3 of 3 | $333,333 |
| Pbs Foundation | Arlington, VA | 2023 grant award pymt 2 of 3 | $333,333 |
| East End Seaport Museum and Marine Foundation | Greenport, NY | 2025 gys and grant award | $295,440 |
| Long Island University | Brookville, NY | 2022 grant award pymt 4 of 4 | $250,000 |
| Celebrate St James Past Present Future | St James, NY | 2025 grant award | $211,300 |
| Sag Harbor Historical Museum | Sag Harbor, NY | 2025 gys and grant award | $200,876 |
| Cooper Union for the Adv of Science | New York, NY | 2025 grant 1 of 3 | $200,000 |
| New York University | New York, NY | 2024 grant award pymt 2 of 6 | $200,000 |
| Northport Historical Society | Northport, NY | 2025 gys and grant award | $177,610 |
| Research Foundation Suny Geneseo | Albany, NY | 2025 grant award | $112,080 |
| Hispanic Society Museum and Library | New York, NY | 2025 grant award | $100,000 |
| Mystic Seaport Museum Inc | Mystic, CT | 2023 grant award pymt 3 of 3 | $98,767 |
| Long Island Music and Entertainment Hall of Fame | Stony Brook, NY | 2025 grant award | $87,400 |
| Greater Hudson Heritage Network | Elmsford, NY | Grant payment and annual sponsor | $66,000 |
| Greater Hudson Heritage Network | Elmsford, NY | 2023 grant payment | $62,000 |
| East Hampton Historical Society | East Hampton, NY | 2025 grant award | $59,785 |
| Huntington Historical Society | Huntington, NY | 2025 gardiner young scholar/grant | $51,600 |
| Long Island Children's Museum | Garden City, NY | 2024 grant pymt 2 of 2 | $50,000 |
| Southampton Center of the Arts Inc | Southampton, NY | 2025 grant award | $50,000 |
| The Gotham Center for New York City History Inc | Brooklyn, NY | 2025 grant award pymt 1 of 2 | $50,000 |
| The New York Landmarks Conservancy | New York, NY | 2025 grant award pymt 1 of 3 | $50,000 |
| Long Beach Historical Society | Long Beach, NY | 2025 grant award pymt 1 of 2 | $45,580 |
| Montauk Historical Society | Montauk, NY | 2025 gys and grant award | $45,061 |
| Holocaust Memorial & Tolerance Center of Nassau County | Glen Cove, NY | 2025 grant award | $40,000 |
| Lewis Latimer House | Flushing, NY | 2025 grant award | $38,538 |
| Bellport-Brookhaven Historical Society | Bellport, NY | 2024 & 2025 awards and grants | $35,239 |
| Long Island Library Resources Council | Bellport, NY | 2025 grant award | $33,660 |
| Museum of the City of New York | New York, NY | 2025 grant award pymt 1 of 3 | $33,333 |
| Parrish Art Museum | Watermill, NY | 2025 grant award | $30,425 |
| Historic Richmond Town | Staten Island, NY | 2025 grant award - diamond match | $30,067 |
| Friends of Alice Austen House Inc | Staten Island, NY | 2025 grant award-diamond match | $26,470 |
| Louis Armstrong House Museum | Corona, NY | 2025 grant award | $25,000 |
| The Folly Tree Arboretum | East Hampton, NY | 2025 grant award | $23,000 |
| Historic Huguenot Street | New Paltz, NY | 2025 grant award | $22,698 |
| Trustees of Columbia University in the City of New York | New York, NY | 2025 grant award pymt 1 of 5 | $22,000 |
| Dartmouth College | Hanover, NH | 2024 cohalan scholarship | $15,000 |
| Cutchogue-New Suffolk Historical Council | Cutchogue, NY | 2025 gys and grant award | $11,600 |
| Friends of Old Bethpage Village Restoration | East Williston, NY | 2025 gys and challenge match award | $11,600 |
| The Agricultural Society Fund | East Williston, NY | 2025 gys and challenge match grant | $11,600 |
| Historical Society of Greater Port Jefferson | Port Jefferson, NY | 2025 gardiner young/challenge match | $11,245 |
| Colonel Josiah Smith National Daughter of the American Revolution | Medford, NY | 2025 grant award | $10,000 |
| Conscience Point Shellfish Hatchery | Southampton, NY | 2025 challenge match grant | $10,000 |
| Fireboat Fire Fighter Museum | Greenport, NY | 2025 challenge grant match | $10,000 |
| Long Beach Historical and Preservation Society | Long Beach, NY | 2025 challenge grant match | $10,000 |
| North Sea Community School House Association | Southampton, NY | 2025 challenge match grant | $10,000 |
| Quogue Historical Society | Quogue, NY | 2025 challenge grant match | $10,000 |
| Rocky Point Historical Society | Rocky Point, NY | 2025 challenge match grant | $10,000 |
| University at Albany | Albany, NY | 2022 cohalan scholarship | $10,000 |
| Wainscott Heritage Project | Wainscott, NY | 2024 challenge grant | $10,000 |
| Wainscott Heritage Project | Wainscott, NY | 2025 challenge match grant | $10,000 |
| Whaling Museum & Education Center | Cold Spring Harbor, NY | 2024 grant award pymt 2 of 2 | $8,025 |
| Brooks Park Arts & Nature Center | East Hampton, NY | 2025 challenge match grant | $7,850 |
| Greater Westhampton Historical Museums | Westhampton Beach, NY | 2024 grant award pymt 2 of 2 | $7,675 |
| Wading River Historical Society | Wading River, NY | 2025 gys and challenge match grant | $7,070 |
| Oyster Bay Railroad Museum | Oyster Bay, NY | 2025 challenge grant match | $6,923 |
| Bridgehampton Museum | Bridgehampton, NY | 2025 gys and exhibit award | $6,600 |
| Long Island Children's Museum | Garden City, NY | Other grant | $5,500 |
| Ma's House & Bipoc Art Studio | Southampton, NY | 2026 artist residency program | $5,000 |
| New York State Archives Partnership | Albany, NY | Sponsorship conference | $5,000 |
Showing the 60 largest of 85 grants to organizations.
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Cooper Union for the Adv of Science | New York, NY | 2025 grant award | $400,000 |
| Greater Hudson Heritage Network | Elmsford, NY | 2025 grant award | $124,000 |
| Research Foundation Suny Geneseo | Albany, NY | 2025 grant award | $112,080 |
| Smithtown Historical Society | Smithtown, NY | 2025 grant award | $108,270 |
| The New York Landmarks Concervancy | New York, NY | 2025 grant award | $100,000 |
| Trustees of Clumbia University in the City of New York | New York, NY | 2025 grant award | $88,000 |
| Museum of the City of New York | New York, NY | 2025 grant award | $66,667 |
| East Hampton Historical Society | East Hampton, NY | 2025 grant award | $59,785 |
| Metropolitan Museum of Art | New York, NY | 2025 grant award | $50,000 |
| San Diego Historical Society | San Diego, CA | 2025 grant award | $50,000 |
| The Gotham Center for New York City History Inc | Brooklyn, NY | 2025 grant award | $50,000 |
| Long Beach Historical Society | Long Beach, NY | 2025 grant award | $45,580 |
| Historic Huguenot Street | New Paltz, NY | 2025 grant award | $45,395 |
| Lewis Latimer House | Flushing, NY | 2025 grant award | $38,537 |
| Avery Yang | St James, NY | 2025 grant award | $35,000 |
| Friends of Alice Austen House Inc | Staten Island, NY | 2025 grant award | $26,470 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $4,262,675 | 101 |
| 2024 | $6,448,848 | 98 |
| 2023 | $3,955,695 | 61 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 25, 2026 - IRS e-file batch, object ID 202612379349100601
- IRS Tax Exempt Organization Search for EIN 13-3354308
- 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.