Location: Straitsmouth Island, off east side of Cape Ann; Nearest town: Rockport

42 39 42 N / 70 35 18 W

The island is closed to the public; the lighthouse is best seen by boat. It can be seen distantly from the end of Bearskin Neck in Rockport.

Station established: 1835; Present lighthouse built: 1896; Automated: 1967

Construction material: Brick

Tower height: 37 feet; Height of focal plane: 46 feet

Earlier optics: Sixth-order Fresnel (1857)

Present optic: 250 mm (solar-powered)