- Brookhaven Hamlet Foundation Donation Page
- Brookhaven Hamlet Foundation
- History of Brookhaven and Southaven by John Dietz
- The Post-Morrow Foundation
- Bellport-Brookhaven Historical Society
- Dennis Puleston Osprey Fund
- Long Island Sound Study
- Friends of Wertheim National Wildlife Refuge
- Friends of Fire Island National Seashore
- Hamlet Organic Garden
- Brookhaven Free Library
- Bellport.com
- CEED
