American Lighthouse Foundation
The American Lighthouse Foundation is a 501 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 | 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 |