American Lighthouse Foundation
New England Lighthouses: A Virtual Guide
Nauset Light Preservation Society
Liberty Cruise – Famous Historical Ships: Warships to Cruise Ships
USCG Lightship Sailors Association
Friends of Portsmouth Harbor Lighthouses
Friends of Rockland Harbor Lights
GLLKA-Great Lake Lighthouse Keepers Association
ChesLights – Chesapeak Chapter of the US Lighthouse Society
NJLHS-New Jersey Lighthouse Society
Friends of Boston Harbor Islands