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:
Coordinates: 44°06′21″N 69°06′34″W / 44.1057°N 69.1094°W