Harry F Mariani Family Foundation
Private foundation · Locust Valley, NY · EIN 84-3901549 · reported 2023–2025
52grants reported
$5,000median award
$1,500lower quartile
$500smallest grant
$712Ktotal paid
8states reached
3years giving
Gives every year. This foundation reported grants in 2023, 2024, 2025. A funder that shows up year after year is worth a letter even if this year is a no.
Where to write
PO Box 446
Locust Valley, NY 11560-0446
Address as registered with the IRS. Most foundations this size have no website and no application form, which is not a dead end: a short letter to this address is the whole process, and almost nobody sends one.
Who they funded
| Recipient and stated purpose | Where | Amount |
|---|---|---|
| Tisch Multiple Sclerosis Research Center New York Inc | New York, NY | $68,000 |
| Tisch Multiple Sclerosis Research Center New York Inc | New York, NY | $60,000 |
| Northwell Health Foundation | Huntington, NY | $56,000 |
| The Beaufort County Open Land Trust Inc | Beaufort, SC | $50,000 |
| Northwell Health Foundation | Huntington, NY | $50,000 |
| Northwell Health Foundation | Huntington, NY | $48,000 |
| Tisch Multiple Sclerosis Research Center New York Inc | New York, NY | $45,000 |
| The Beaufort County Open Land Trust Inc | Beaufort, SC | $30,000 |
| Pingree School | South Hamilton, MA | $27,000 |
| University of Notre Dame | Notre Dame, IN | $25,000 |
| The Beaufort County Open Land Trust Inc | Beaufort, SC | $25,000 |
| University of Notre Dame | Notre Dame, IN | $25,000 |
| University of Notre Dame | Notre Dame, IN | $25,000 |
| Coastal Conservation Association South Carolina | Columbia, SC | $15,000 |
| The Don Monti Memorial Research Foundation | Cold Spring Harbor, NY | $12,000 |
| The Don Monti Memorial Research Foundation | Cold Spring, NY | $12,000 |
| Coastal Conservation Association South Carolina | Columbia, SC | $10,000 |
| Tulane University | Dallas, TX | $10,000 |
| Coastal Conservation Association South Carolina | Columbia, SC | $10,000 |
| Beaufort Memorial Hospital Foundation | Beaufort, SC | $10,000 |
| Pingree School | South Hamilton, MA | $10,000 |
| Tulane University | Dallas, TX | $10,000 |
| Pingree School | South Hamilton, MA | $10,000 |
| Tulane University | Dallas, TX | $10,000 |
| Penn Center National Historic Landmark District | St Helena Island, SC | $5,000 |
| St Joseph's Children's Hospital Tampa | Tampa, FL | $5,000 |
| American Friends of the London Philharmonic Orchestra | New York, NY | $5,000 |
| St Joseph's Children's Hospital Tampa | Tampa, FL | $4,000 |
| Community Dispute Settlement Center | Cambridge, MA | $3,000 |
| Minuteman Senior Services | Bedford, MA | $3,000 |
| North Charleston Animal Society | North Charleston, SC | $2,500 |
| The Fenn School | Concord, MA | $2,500 |
| Community Dispute Settlement Center | Cambridge, MA | $2,500 |
| St Joseph's Children's Hospital Tampa | Tampa, FL | $2,500 |
| Community Dispute Settlement Center | Cambridge, MA | $2,500 |
| Minuteman Senior Services | Bedford, MA | $2,500 |
| Youth Advocacy Foundation | Boston, MA | $2,000 |
| Minuteman Senior Services | Bedford, MA | $2,000 |
| North Charleston Animal Society | North Charleston, SC | $1,500 |
| Lowcountry Food Bank | Charleston, SC | $1,500 |
| Winchester Abc | Winchester, MA | $1,500 |
| Lowcountry Food Bank | Charleston, SC | $1,250 |
| Neighbors Together | North Charleston, SC | $1,250 |
| One80 Place | Charleston, SC | $1,000 |
| Boston Children's Hospital Trust | Boston, MA | $1,000 |
| Howard University | Washington, DC | $1,000 |
| St Jude's Children's Research Hospital | Memphis, TN | $1,000 |
| Heading Home | Charlestown, MA | $1,000 |
| Lowcountry Food Bank | Charleston, SC | $1,000 |
| North Charleston Animal Society | North Charleston, SC | $1,000 |
| Friends of Middlesex Fells | Melsrose, MA | $500 |
| One80 Place | Charleston, SC | $500 |
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