Grindle Point Lighthouse
Location: Gilkey Harbor, Islesboro
Coordinates: 44 16 56 N 68 56 34 W
Active U.S. Coast Guard aid to navigation. Sailor's Memorial Museum in keeper's house maintained by the Town of Islesboro. Click here for museum hours.
Accessibility: Islesboro can be reached via ferry from Lincolnville Beach. The lighthouse is close to the ferry dock.
Station established: 1851
Present lighthouse built: 1874
Construction material: Brick
Other buildings still standing: Keeper's house (1874), boathouse (1886), oil house (1906)
Height of tower: 39 feet
Height of focal plane: 39 feet
Original optic: Fifth-order Fresnel lens
Present optic: VLB-44 (LED, solar-powered, installed January 2017)
Characteristic: Flashing green every four seconds