Donald Grant & Ann Martin Calder Foundat | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Donald Grant & Ann Martin Calder Foundat. Data shown is extracted from Form 990-PF filings.
EIN: 13-3917776
Foundation Overview
Based in Hobe Sound, FL, Donald Grant & Ann Martin Calder Foundat has awarded 283 grants totaling $3,253,370 to organizations in Florida, Maine and 13 other states, plus international recipients. Individual grants range from $100 to $118,130, with a median award of $2,000.
Latest Tax Year
2023
Total Giving (all years)
$3,253,370
Total Assets
$6,726,597
Median Grant (all grants)
$2,000
Latest Form 990-PF Snapshot
Total Grants
52
Median Grant
$6,000
% Median Grant Growth
+500%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
February 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Relationship-Focused: 27%
14 of 52 recipients (27%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.
Geographic Focus
Florida
Grants are geographically diversified with 34% in Florida and funding distributed across 18 total locations. This foundation values broad geographic impact and diverse community partnerships. Within Florida, funding concentrates in Hobe Sound (65%), Palmetto Bay (9%), Tallahassee (8%).
Funding Trajectory
+114%
Strong 114% growth in annual giving over 7 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.
Program Areas
General Purposes + 3 others
Diversified giving across multiple program areas with primary emphasis on general purposes (47%). This broad approach suggests openness to various causes and innovative cross-sector solutions.
Where is The Money Going?
Loading geographic data...
Loading chart...
Loading chart...
Loading chart...
Grants & Funding
Analyzing past grantees provides valuable insights into Donald Grant & Ann Martin Calder Foundat's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.
| Name | Amount | Location | Purpose | Year |
|---|---|---|---|---|
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2023 |
| American University Of Paris | $1,000 | Paris, N/A, FR | General Support | 2023 |
| Andrew K Dwyer Foundation | $2,000 | Hobe Sound, FL, US | General Support | 2023 |
| Atlantic Salmon Foundation | $100,000 | Calais, ME, US | Conservation Funds | 2023 |
| Bonefish And Tarpon Trust | $5,000 | Miami, FL, US | General Support | 2023 |
| Boys And Girls Club Of Martin County | $1,000 | Hobe Sound, FL, US | General Support | 2023 |
| Breakwater School | $100 | Portland, ME, US | General Support | 2023 |
| Christ Memorial Chapel | $50,000 | Hobe Sound, FL, US | General Support | 2023 |
| Computer Innovations For Today's Youth | $1,000 | Port Saint Lucie, FL, US | General Support | 2023 |
| Game Conservancy | $21,000 | Greenwich, CT, US | General Support | 2023 |
| Guardians Of Martin County | $1,000 | Hobe Sound, FL, US | General Support | 2023 |
| Hospital For Special Surgery Foundation | $1,000 | New York, NY, US | General Support | 2023 |
| Jupiter Island Medical Clinic | $5,000 | Hobe Sound, FL, US | General Support | 2023 |
| King Baudouin Foundation Usa | $105,000 | New York, NY, US | General Support | 2023 |
| Lake Agawam Conservancy | $2,000 | Southampton, NY, US | General Support | 2023 |
| National Sporting Library | $78,000 | Middleburg, VA, US | General Support | 2023 |
| Princeton University | $10,185 | Princeton, NJ, US | General Support | 2023 |
| Southampton Hospital Foundation | $30,000 | Southampton, NY, US | General Support | 2023 |
| St Andrew's Dune Church | $7,000 | Southampton, NY, US | General Support | 2023 |
| St John's Espiscopal Church | $12,000 | Southampton, NY, US | General Support | 2023 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2023 |
| Veterinary Initiative For Endangered Wildlife | $10,000 | Bozeman, MT, US | General Support | 2023 |
| Weill Cornell Medical College | $1,000 | New York, NY, US | General Support | 2023 |
| Navy Seal Foundation | $10,000 | Virginia Beach, VA, US | General Support | 2023 |
| Aloha Foundation | $10,000 | Fairlee, VT, US | General Support | 2023 |
| The Garden Conservancy | $25,000 | Garrison, NY, US | General Support | 2023 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2023 |
| American University Of Paris | $1,000 | Paris, N/A, FR | General Support | 2023 |
| Andrew K Dwyer Foundation | $2,000 | Hobe Sound, FL, US | General Support | 2023 |
| Atlantic Salmon Foundation | $100,000 | Calais, ME, US | Conservation Funds | 2023 |
| Bonefish And Tarpon Trust | $5,000 | Miami, FL, US | General Support | 2023 |
| Boys And Girls Club Of Martin County | $1,000 | Hobe Sound, FL, US | General Support | 2023 |
| Breakwater School | $100 | Portland, ME, US | General Support | 2023 |
| Christ Memorial Chapel | $50,000 | Hobe Sound, FL, US | General Support | 2023 |
| Computer Innovations For Today's Youth | $1,000 | Port Saint Lucie, FL, US | General Support | 2023 |
| Game Conservancy | $21,000 | Greenwich, CT, US | General Support | 2023 |
| Guardians Of Martin County | $1,000 | Hobe Sound, FL, US | General Support | 2023 |
| Hospital For Special Surgery Foundation | $1,000 | New York, NY, US | General Support | 2023 |
| Jupiter Island Medical Clinic | $5,000 | Hobe Sound, FL, US | General Support | 2023 |
| King Baudouin Foundation Usa | $105,000 | New York, NY, US | General Support | 2023 |
| Lake Agawam Conservancy | $2,000 | Southampton, NY, US | General Support | 2023 |
| National Sporting Library | $78,000 | Middleburg, VA, US | General Support | 2023 |
| Princeton University | $10,185 | Princeton, NJ, US | General Support | 2023 |
| Southampton Hospital Foundation | $30,000 | Southampton, NY, US | General Support | 2023 |
| St Andrew's Dune Church | $7,000 | Southampton, NY, US | General Support | 2023 |
| St John's Espiscopal Church | $12,000 | Southampton, NY, US | General Support | 2023 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2023 |
| Veterinary Initiative For Endangered Wildlife | $10,000 | Bozeman, MT, US | General Support | 2023 |
| Weill Cornell Medical College | $1,000 | New York, NY, US | General Support | 2023 |
| Navy Seal Foundation | $10,000 | Virginia Beach, VA, US | General Support | 2023 |
| Aloha Foundation | $10,000 | Fairlee, VT, US | General Support | 2023 |
| The Garden Conservancy | $25,000 | Garrison, NY, US | General Support | 2023 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2022 |
| American University Of Paris | $500 | Paris, N/A, FR | General Support | 2022 |
| Atlantic Salmon Foundation | $5,000 | Calais, ME, US | General Support | 2022 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | General Support | 2022 |
| Boys And Girls Club Of Martin County | $10,000 | Hobe Sound, FL, US | General Support | 2022 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2022 |
| Center For Interfaith Relations | $1,000 | Louisville, KY, US | General Support | 2022 |
| Chapin School | $200 | New York, NY, US | General Support | 2022 |
| Christ Memorial Chapel | $25,000 | Hobe Sound, FL, US | General Support | 2022 |
| Everglades Foundation | $26,000 | Palmetto Bay, FL, US | General Purpose | 2022 |
| Game Conservancy | $12,000 | Greenwich, CT, US | General Support | 2022 |
| Guardians Of Martin County | $2,000 | Hobe Sound, FL, US | General Support | 2022 |
| Hobe Sound Community Chest | $10,000 | Hobe Sound, FL, US | General Support | 2022 |
| Jupiter Island Garden Club Inc | $2,500 | Hobe Sound, FL, US | General Support | 2022 |
| Jupiter Island Medical Clinic | $5,000 | Hobe Sound, FL, US | General Support | 2022 |
| King Baudouin Foundation Usa | $112,000 | New York, NY, US | General Support | 2022 |
| Loaves & Fishes | $1,000 | Hobe Sound, FL, US | General Support | 2022 |
| Maine Coast Waldorf School | $1,500 | Freeport, ME, US | General Support | 2022 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2022 |
| National Sporting Library | $78,000 | Middleburg, VA, US | General Support | 2022 |
| Pilgrims Of The United States | $250 | New York, NY, US | General Support | 2022 |
| Southampton Association | $1,000 | Southampton, NY, US | General Support | 2022 |
| Sse Alumni Usa Inc (dba American Friends Of Sse) | $1,000 | Brooklyn, NY, US | General Support, Stockholm School Of Economics | 2022 |
| St Bernard's School | $100 | New York, NY, US | General Support | 2022 |
| Friends Of Independent Schools And Better Education | $1,000 | Seattle, WA, US | General Support | 2022 |
| Hss Foundation (hospital For Special Surgery - Bike Hss) | $1,000 | New York, NY, US | General Support | 2022 |
| Mayo Clinic | $25,000 | Jacksonville, FL, US | General Support | 2022 |
| One West 54th St Foundation | $1,750 | New York, NY, US | General Support | 2022 |
| St John's Espiscopal Church | $100 | Southampton, NY, US | General Support | 2022 |
| Southampton Volunteer Firemen's Benevolent Association Inc | $100 | Southampton, NY, US | General Support | 2022 |
| Veterinary Initiative For Endangered Wildlife | $1,000 | Bozeman, MT, US | General Support | 2022 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2022 |
| American University Of Paris | $500 | Paris, Foreign, FR | General Support | 2022 |
| Atlantic Salmon Foundation | $5,000 | Calais, ME, US | General Support | 2022 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | General Support | 2022 |
| Boys And Girls Club Of Martin County | $10,000 | Hobe Sound, FL, US | General Support | 2022 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2022 |
| Center For Interfaith Relations | $1,000 | Louisville, KY, US | General Support | 2022 |
| Chapin School | $200 | New York, NY, US | General Support | 2022 |
| Christ Memorial Chapel | $25,000 | Hobe Sound, FL, US | General Support | 2022 |
| Everglades Foundation | $26,000 | Palmetto Bay, FL, US | General Purpose | 2022 |
| Game Conservancy | $12,000 | Greenwich, CT, US | General Support | 2022 |
| Guardians Of Martin County | $2,000 | Hobe Sound, FL, US | General Support | 2022 |
| Hobe Sound Community Chest | $10,000 | Hobe Sound, FL, US | General Support | 2022 |
| Jupiter Island Garden Club Inc | $2,500 | Hobe Sound, FL, US | General Support | 2022 |
| Jupiter Island Medical Clinic | $5,000 | Hobe Sound, FL, US | General Support | 2022 |
| King Baudouin Foundation Usa | $112,000 | New York, NY, US | General Support | 2022 |
| Loaves & Fishes | $1,000 | Hobe Sound, FL, US | General Support | 2022 |
| Maine Coast Waldorf School | $1,500 | Freeport, ME, US | General Support | 2022 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2022 |
| National Sporting Library | $78,000 | Middleburg, VA, US | General Support | 2022 |
| Pilgrims Of The United States | $250 | New York, NY, US | General Support | 2022 |
| Southampton Association | $1,000 | Southampton, NY, US | General Support | 2022 |
| Sse Alumni Usa Inc (Dba American Friends Of Sse) | $1,000 | Brooklyn, NY, US | General Support, Stockholm School Of Economics | 2022 |
| St Bernard's School | $100 | New York, NY, US | General Support | 2022 |
| Friends Of Independent Schools And Better Education | $1,000 | Seattle, WA, US | General Support | 2022 |
| Hss Foundation (Hospital For Special Surgery - Bike Hss) | $1,000 | New York, NY, US | General Support | 2022 |
| Mayo Clinic | $25,000 | Jacksonville, FL, US | General Support | 2022 |
| One West 54th St Foundation | $1,750 | New York, NY, US | General Support | 2022 |
| St John's Espiscopal Church | $100 | Southampton, NY, US | General Support | 2022 |
| Southampton Volunteer Firemen's Benevolent Association Inc | $100 | Southampton, NY, US | General Support | 2022 |
| Veterinary Initiative For Endangered Wildlife | $1,000 | Bozeman, MT, US | General Support | 2022 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2022 |
| American University Of Paris | $500 | Paris, Foreign, FR | General Support | 2022 |
| Atlantic Salmon Foundation | $5,000 | Calais, ME, US | General Support | 2022 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | General Support | 2022 |
| Boys And Girls Club Of Martin County | $10,000 | Hobe Sound, FL, US | General Support | 2022 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2022 |
| Center For Interfaith Relations | $1,000 | Louisville, KY, US | General Support | 2022 |
| Chapin School | $200 | New York, NY, US | General Support | 2022 |
| Christ Memorial Chapel | $25,000 | Hobe Sound, FL, US | General Support | 2022 |
| Everglades Foundation | $26,000 | Palmetto Bay, FL, US | General Purpose | 2022 |
| Game Conservancy | $12,000 | Greenwich, CT, US | General Support | 2022 |
| Guardians Of Martin County | $2,000 | Hobe Sound, FL, US | General Support | 2022 |
| Hobe Sound Community Chest | $10,000 | Hobe Sound, FL, US | General Support | 2022 |
| Jupiter Island Garden Club Inc | $2,500 | Hobe Sound, FL, US | General Support | 2022 |
| Jupiter Island Medical Clinic | $5,000 | Hobe Sound, FL, US | General Support | 2022 |
| King Baudouin Foundation Usa | $112,000 | New York, NY, US | General Support | 2022 |
| Loaves & Fishes | $1,000 | Hobe Sound, FL, US | General Support | 2022 |
| Maine Coast Waldorf School | $1,500 | Freeport, ME, US | General Support | 2022 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2022 |
| National Sporting Library | $78,000 | Middleburg, VA, US | General Support | 2022 |
| Pilgrims Of The United States | $250 | New York, NY, US | General Support | 2022 |
| Southampton Association | $1,000 | Southampton, NY, US | General Support | 2022 |
| Sse Alumni Usa Inc (Dba American Friends Of Sse) | $1,000 | Brooklyn, NY, US | General Support, Stockholm School Of Economics | 2022 |
| St Bernard's School | $100 | New York, NY, US | General Support | 2022 |
| Friends Of Independent Schools And Better Education | $1,000 | Seattle, WA, US | General Support | 2022 |
| Hss Foundation (Hospital For Special Surgery - Bike Hss) | $1,000 | New York, NY, US | General Support | 2022 |
| Mayo Clinic | $25,000 | Jacksonville, FL, US | General Support | 2022 |
| One West 54th St Foundation | $1,750 | New York, NY, US | General Support | 2022 |
| St John's Espiscopal Church | $100 | Southampton, NY, US | General Support | 2022 |
| Southampton Volunteer Firemen's Benevolent Association Inc | $100 | Southampton, NY, US | General Support | 2022 |
| Veterinary Initiative For Endangered Wildlife | $1,000 | Bozeman, MT, US | General Support | 2022 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2021 |
| American University Of Paris | $1,500 | Paris, N/A, FR | General Support | 2021 |
| Atlantic Salmon Foundation | $5,000 | Calais, ME, US | General Support | 2021 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | General Support | 2021 |
| Boys And Girls Club Of Martin County | $5,000 | Hobe Sound, FL, US | General Support | 2021 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2021 |
| Center For Interfaith Relations | $1,000 | Louisville, KY, US | General Support | 2021 |
| Chapin School | $200 | New York, NY, US | General Support | 2021 |
| Christ Memorial Chapel | $25,000 | Hobe Sound, FL, US | General Support | 2021 |
| Computer Innovations For Today's Youth | $1,000 | Port Saint Lucie, FL, US | General Support | 2021 |
| Everglades Foundation | $50,000 | Palmetto Bay, FL, US | General Purpose | 2021 |
| Game Conservancy | $20,000 | Greenwich, CT, US | General Support | 2021 |
| Guardians Of Martin County | $2,000 | Hobe Sound, FL, US | General Support | 2021 |
| Hobe Sound Nature Center | $10,000 | Hobe Sound, FL, US | General Support | 2021 |
| Jupiter Island Garden Club Inc | $2,500 | Hobe Sound, FL, US | General Support | 2021 |
| Jupiter Island Medical Clinic | $10,000 | Hobe Sound, FL, US | General Support | 2021 |
| Jupiter Medical Center Foundation | $25,000 | Jupiter, FL, US | General Support | 2021 |
| Loaves & Fishes | $1,000 | Hobe Sound, FL, US | General Support | 2021 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2021 |
| National Sporting Library | $10,000 | Middleburg, VA, US | General Support | 2021 |
| Southampton Association | $1,000 | Southampton, NY, US | General Support | 2021 |
| Southampton Hospital Fdn | $25,000 | Southampton, NY, US | General Support | 2021 |
| Sse Alumni Usa Inc (dba American Friends Of Sse) | $2,000 | Brooklyn, NY, US | General Support, Stockholm School Of Economics | 2021 |
| St Bernard's School | $200 | New York, NY, US | General Support | 2021 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2021 |
| Bonefish And Tarpon Trust | $10,000 | Miami, FL, US | General Support | 2021 |
| Conservation Fund | $1,000 | Arlington, VA, US | General Support | 2021 |
| King Baudouin Foundation Usa | $118,130 | New York, NY, US | General Support | 2021 |
| Lake Agawam Conservancy | $2,000 | Southampton, NY, US | General Support | 2021 |
| Maine Coast Waldorf School | $2,500 | Freeport, ME, US | General Support | 2021 |
| Weill Cornell Medical College | $1,000 | New York, NY, US | General Support | 2021 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | General Support | 2020 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2020 |
| Center For Interfaith Relations | $1,000 | Louisville, KY, US | General Support | 2020 |
| Chapin School | $200 | New York, NY, US | General Support | 2020 |
| Clubhouse International | $1,000 | New York, NY, US | General Purpose | 2020 |
| Computer Innovations For Today's Youth | $2,000 | Port Saint Lucie, FL, US | General Support | 2020 |
| Everglades Foundation | $32,645 | Palmetto Bay, FL, US | 2020 Gala Event, General Purpose | 2020 |
| Friends Of Bishop Strachan School | $1,000 | Toronto, TORONTO, CA | General Support | 2020 |
| Game Conservancy | $10,000 | Greenwich, CT, US | General Support | 2020 |
| Guardians Of Martin County | $2,000 | Hobe Sound, FL, US | General Support | 2020 |
| Help Us Help Them | $1,000 | Hobe Sound, FL, US | General Support | 2020 |
| Hobe Sound Nature Center | $10,000 | Hobe Sound, FL, US | General Support | 2020 |
| Jupiter Medical Center Foundation | $5,000 | Jupiter, FL, US | Covid-19 Relief | 2020 |
| Loaves & Fishes | $1,000 | Hobe Sound, FL, US | General Support | 2020 |
| National Sporting Library | $27,600 | Middleburg, VA, US | General Support | 2020 |
| Parrish Art Museum | $2,000 | Water Mill, NY, US | General Support | 2020 |
| Past Presidents' Fund | $1,000 | Hobe Sound, FL, US | General Support | 2020 |
| Samaritan Center | $1,000 | Stuart, FL, US | General Support | 2020 |
| Southampton Association | $1,000 | Southampton, NY, US | General Support | 2020 |
| St Andrew's Dune Church | $12,000 | Southampton, NY, US | General Support | 2020 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2020 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2018 |
| 564 Park Ave Preservation | $1,000 | New York, NY, US | General Support | 2018 |
| American University Of Paris | $1,500 | Paris, N/A, FR | General Support | 2018 |
| Atlantic Salmon Federation | $100,000 | Calais, ME, US | Conservation Funds | 2018 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | B.l.a.s.t. Program Building Fund | 2018 |
| Boys And Girls Club Of Martin County | $1,000 | Hobe Sound, FL, US | General Support | 2018 |
| Center For Interfaith Relations | $5,000 | Louisville, KY, US | General Support | 2018 |
| Chapin School | $200 | New York, NY, US | General Support | 2018 |
| Everglades Foundation | $5,450 | Palmetto Bay, FL, US | Jupiter Island Advisory Council | 2018 |
| Focus (new England Boarding Schools) | $1,000 | West Hartford, CT, US | General Support | 2018 |
| Game Conservancy | $11,000 | Greenwich, CT, US | General Support | 2018 |
| Guardians Of Martin County | $5,000 | Hobe Sound, FL, US | General Support | 2018 |
| Hobe Sound Nature Ctr | $2,500 | Hobe Sound, FL, US | General Support | 2018 |
| Jupiter Medical Center Foundation | $10,000 | Jupiter, FL, US | Capital Campaign | 2018 |
| Loaves & Fishes Of Hobe Sound | $1,000 | Hobe Sound, FL, US | General Support | 2018 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2018 |
| Memorial Sloan Cancer Center | $100,000 | New York, NY, US | General Support | 2018 |
| National Sporting Library | $28,000 | Middleburg, VA, US | General Support | 2018 |
| Pilgrims Of The Us | $200 | Mereworth, N/A, UK | General Support | 2018 |
| Poughkeepsie Day School | $500 | Poughkeepsie, NY, US | Annual Fund | 2018 |
| Princeton University | $1,000 | Princeton, NJ, US | General Support | 2018 |
| Southampton Association | $2,500 | Southampton, NY, US | General Support | 2018 |
| Sse Alumni Usa Inc (dba American Friends Of Sse) | $15,000 | Brooklyn, NY, US | Masters Scholarship Program | 2018 |
| St Bernard's School | $100 | New York, NY, US | General Support | 2018 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2018 |
| Wellness Fdn | $10,000 | East Hampton, NY, US | General Support | 2018 |
| 1000 Friends Of Florida | $1,000 | Tallahassee, FL, US | General Support | 2017 |
| American University Of Paris | $1,500 | Paris, N/A, FR | General Support | 2017 |
| Atlantic Salmon Federation | $25,000 | Calais, ME, US | Conservation Funds | 2017 |
| Banner Lake Club | $10,000 | Hobe Sound, FL, US | B.l.a.s.t. Program Building Fund | 2017 |
| Bishop Strachan School Foundation | $1,000 | Toronto, N/A, CA | General Support | 2017 |
| Boys And Girls Club Of Martin County | $1,500 | Hobe Sound, FL, US | General Support | 2017 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2017 |
| Center For Interfaith Relations | $5,000 | Louisville, KY, US | General Support | 2017 |
| Chapin School | $200 | New York, NY, US | General Support | 2017 |
| Everglades Foundation | $25,000 | Palmetto Bay, FL, US | Jupiter Island Advisory Council | 2017 |
| Everglades Foundation | $8,960 | Palmetto Bay, FL, US | General Support | 2017 |
| Focus (new England Boarding Schools) | $1,000 | West Hartford, CT, US | General Support | 2017 |
| Friends Of The Upper East Side | $1,000 | New York, NY, US | General Support | 2017 |
| Game Conservancy | $10,000 | Greenwich, CT, US | General Support | 2017 |
| Guardians Of Martin County | $5,000 | Hobe Sound, FL, US | General Support | 2017 |
| Help Us Help Them | $1,000 | Hobe Sound, FL, US | General Support | 2017 |
| Hobe Sound Nature Ctr | $1,500 | Hobe Sound, FL, US | General Support | 2017 |
| Hospital For Special Surgery | $10,000 | New York, NY, US | General Support | 2017 |
| Jupiter Island Medical Clinic | $1,000 | Hobe Sound, FL, US | General Support | 2017 |
| Jupiter Medical Center Foundation | $10,000 | Jupiter, FL, US | Capital Campaign | 2017 |
| Leukemia And Lymphoma Society | $1,000 | New York, NY, US | General Support | 2017 |
| Loaves & Fishes Of Hobe Sound | $1,000 | Hobe Sound, FL, US | General Support | 2017 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2017 |
| Memorial Sloan Cancer Center | $100,000 | New York, NY, US | General Support | 2017 |
| National Sporting Library | $30,000 | Middleburg, VA, US | General Support | 2017 |
| Poughkeepsie Day School | $500 | Poughkeepsie, NY, US | Annual Fund | 2017 |
| Samartian House For Boys | $4,515 | Stuart, FL, US | General Support | 2017 |
| Southampton Association | $2,500 | Southampton, NY, US | General Support | 2017 |
| Sse Alumni Usa Inc (dba American Friends Of Sse) | $5,000 | Brooklyn, NY, US | Masters Scholarship Program | 2017 |
| St Bernard's School | $100 | New York, NY, US | General Support | 2017 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2017 |
| Wellness Fdn | $10,000 | East Hampton, NY, US | General Support | 2017 |
| 564 Park Ave Preservation | $1,000 | New York, NY, US | General Support | 2016 |
| American University Of Paris | $1,500 | Paris, N/A, FR | General Support | 2016 |
| Atlantic Salmon Federation | $25,000 | Calais, ME, US | Conservation Funds | 2016 |
| Arthritis Foundation | $1,000 | Charlotte, NC, US | General Support | 2016 |
| Banner Lake Club | $5,000 | Hobe Sound, FL, US | B.l.a.s.t. Program Building Fund | 2016 |
| Bishop Strachan School Foundation | $3,000 | Toronto, N/A, CA | General Support | 2016 |
| Brooks School | $100 | North Andover, MA, US | General Support | 2016 |
| Center For Interfaith Relations | $5,000 | Louisville, KY, US | General Support | 2016 |
| Chapin School | $200 | New York, NY, US | General Support | 2016 |
| Christ Memorial Chapel | $100 | New York, NY, US | General Support | 2016 |
| Everglades Foundation | $25,000 | Palmetto Bay, FL, US | Jupiter Island Advisory Council | 2016 |
| Game Conservancy | $11,000 | Greenwich, CT, US | General Support | 2016 |
| Hobe Sound Community Chest | $5,000 | Hobe Sound, FL, US | General Support | 2016 |
| Marina Orth Foundation | $1,000 | Washington, DC, US | General Support | 2016 |
| Memorial Sloan Cancer Center | $101,000 | New York, NY, US | General Support | 2016 |
| National Sporting Library | $15,000 | Middleburg, VA, US | General Support | 2016 |
| Past Presidents' Fund | $1,000 | Hobe Sound, FL, US | General Support | 2016 |
| Poughkeepsie Day School | $500 | Poughkeepsie, NY, US | Annual Fund | 2016 |
| Southampton Association | $2,500 | Southampton, NY, US | General Support | 2016 |
| Sse Alumni Usa Inc (dba American Friends Of Sse) | $5,000 | Brooklyn, NY, US | Masters Scholarship Program | 2016 |
| St Bernard's School | $100 | New York, NY, US | General Support | 2016 |
| St Paul's School | $2,000 | Concord, NH, US | General Support | 2016 |
| Wellness Fdn | $10,000 | East Hampton, NY, US | General Support | 2016 |
| Sustainable Markets Foundation | $1,000 | Atlantic Highlands, NJ, US | Patroon Group | 2016 |
| Trinity-by-the Cove Episcopal Church | $500 | Naples, FL, US | General Support | 2016 |
| University Of Virginia - Law School Foundation | $1,000 | Charlottesville, VA, US | General Support | 2016 |
| Us Sailing Project Pipeline Initiative | $1,000 | Portsmouth, RI, US | General Support | 2016 |
| The Epicopal Church - Development Office | $5,000 | New York, NY, US | Sainte Triniti Music School | 2016 |
Foundations Similar to Donald Grant & Ann Martin Calder Foundat
Discover 5 foundations with comparable assets ($6,559,926-$6,826,538), similar grant patterns, and geographic focus in FL that may also align with your organization's funding needs and grant seeking strategy.
| Foundation Name | Total Assets | Typical Grant Size | Service Area | Similarity Match |
|---|---|---|---|---|
|
Robert And Gail Edelstein Foundation
EIN: 13-3948948 | 685 grants awarded |
$6,749,094
(≈ Similar) |
$3,600
median grant |
Palm Beach Gardens, FL
Same state |
|
|
Sussman Family Foundation Inc
EIN: 87-3959069 | 38 grants awarded |
$6,695,440
(≈ Similar) |
$4,000
median grant |
Palm Beach Gardens, FL
Same state |
|
|
Taranto Family Foundation Inc
EIN: 81-4371289 | 345 grants awarded |
$6,791,084
(≈ Similar) |
$2,500
median grant |
Naples, FL
Same state |
|
|
The Schultz Foundation Inc
EIN: 59-1055869 | 236 grants awarded |
$6,826,538
(≈ Similar) |
$1,000
median grant |
Jacksonville, FL
Same state |
|
|
The Weisman Family Foundation
EIN: 56-2475540 | 598 grants awarded |
$6,559,926
(≈ Similar) |
$1,000
median grant |
Lantana, FL
Same state |
|
Related Foundation Resources in FL:
Contact Information
Official contact details for Donald Grant & Ann Martin Calder Foundat as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 13-3917776 |
| Website | N/A |
| Address | 220 S BEACH RD Hobe Sound, FL 33455-2515 |
Key People (5)
Board members, trustees, and key staff who oversee Donald Grant & Ann Martin Calder Foundat's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| Director | Donald Grant Calder |
|---|---|
| Director | Ann Martin Calder |
| Director | Donald Grant Calder Jr |
| Director | Cornelia Martin Calder |
| Director | Isabella Swift Calder |
Forms 990-PF
IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.
Form 990-PF Research Tips
- Review Part XV for detailed grant recipient information and funding purposes
- Check Part I for total assets, annual giving amounts, and payout requirements
- Examine Part VIII for key personnel compensation and board structure
- Look for trends across multiple years to understand giving patterns
About This Foundation Profile
This comprehensive foundation profile for Donald Grant & Ann Martin Calder Foundat is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.
Data Sources & Accuracy
All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.
Research Applications
Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.
Data Currency: Last updated
February 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.