- American Lighthouse Council [www.americanlighthousecouncil.org] The American Lighthouse Council (ALC) is a nonprofit corporation composed of a consortium of lighthouse organizations, stewards and other practitioners dedicated to the preservation, restoration, and interpretation of American lighthouses.
- American Lighthouse Foundation [www.lighthousefoundation.org] The American Lighthouse Foundation is a 501c3 nonprofit organization dedicated to the preservation of our historic lighthouses. Donate Today!
- Association of Lighthouse Keepers [www.alk.org.uk] The Association of Lighthouse Keepers provides a forum for everyone interested in lighthouses, lightships, and aids to navigation.
- Famous Lighthouses of Long Island NY [https://www.yourlawyer.com/library/famous-lighthouse-long-island-ny/] A guide to several famous lighthouses of Long Island. This site was suggested by a young fan of lighthouses, whose favorite from this guide is the Fire Island Lighthouse, the tallest on Long Island.
- Great Lakes Lighthouse Keepers Association [www.gllka.com] A nonprofit organization that accumulates and exchanges information about lighthouses and their keepers.
- Lighthouses Guiding Ships to Safety [www.hmy.com/lighthouses-guiding-ships-to-safety/] Although part of an advertisement for yachts, this is a serious explanation of the science behind lighthouses, sent to us by a student volunteer at The Technology Education Lab, an online media resource site (www.techedlab.com), and well worth reading.
- Marblehead Lighthouse Historical Society [www.marbleheadlighthouseohio.org] The Marblehead Lighthouse Historical Society maintains a museum dedicated to the Marblehead Lighthouse and maritime activities of the Marblehead, OH, area.
- U.S. Lighthouse Society [www.uslhs.org] The United States Lighthouse Society is a nonprofit historical and educational organization dedicated to saving and sharing the rich maritime legacy of American lighthouses and supporting lighthouse preservation throughout the nation.
- World Lighthouse Society [www.worldlighthouses.org] Newsletter, publications, and information on the executive board, subscriptions and membership.