American Lighthouse Foundation
The American Lighthouse Foundation (ALF) is a 501(c)(3) non-profit organization founded in 1994 with a primary mission of lighthouse preservation. ALF's main office and storefront are headquartered in Rockland, Maine, and the organization currently has thirteen chapters that have stewardship responsibility over the following twenty-two lighthouses in Connecticut, Maine, Massachusetts, New Hampshire, and Rhode Island:
| Name | State | 
|---|---|
| Avery Point Light | Connecticut | 
| Boon Island Light | Maine | 
| Cape Elizabeth Light | Maine | 
| Dutch Island Light | Rhode Island | 
| Eastern Point Light | Massachusetts | 
| Halfway Rock Light | Maine | 
| Little River Light | Maine | 
| Long Point Light | Massachusetts | 
| Owls Head Light | Maine | 
| New London Ledge Light | Connecticut | 
| Newport Harbor Light (Goat Island) | Rhode Island | 
| Pemaquid Point Light | Maine | 
| Perkins Island Light | Maine | 
| Pomham Rocks Light | Rhode Island | 
| Portsmouth Harbor Light | New Hampshire | 
| Prospect Harbor Point Light | Maine | 
| Race Point Light | Massachusetts | 
| Rockland Harbor Breakwater Light | Maine | 
| Sandy Neck Light | Massachusetts | 
| Whaleback Light | Maine | 
| Wood End Light | Massachusetts | 
| Wood Island Light | Maine |