One Park Drive, P.O. Box 1116,
Rockland, ME 04841
The largest and most significant collection of lighthouse lenses and artifacts in the United States. See rare and priceless Fresnel lenses and learn about lighthouses, lightkeepers, the U.S. Coast Guard, and more! Tours welcome. Gift shop. Memorial Day to October 31st, weekdays 10:00 a.m. to 5:00 p.m., Saturdays & Sundays 10:00 a.m. to 4:00 p.m. See website for winter hours.