New England Lighthouses: A Virtual Guide
Straitsmouth Island Light
Rockport, Massachusetts
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Jeremy D'Entremont
Location: Straitsmouth Island, off east side of Cape Ann; Nearest town: Rockport
42 39 42 N
70 35 18 W
MapQuest Link
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)
Coast Guardsman Geoffrey Mongillo services the lamp changer in the optic at Straitsmouth Island Light
Characteristic: Flashing green every six seconds
Fog signal: One blast every 15 seconds
Other buildings still standing: 1878 keeper's house, oil house, cistern building
Active Coast Guard aid to navigation; island is owned by
Massachusetts Audubon Society


The lighthouse is owned by the Town of Rockport and is managed by the Thacher Island Association.
Related sites
Cape Ann Web
Rockport Travel Guide
Previous lighthouse: Thacher Island Twin Lights
Next lighthouse: Annisquam Light
Click for Rockport, Massachusetts Forecast

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