Location: Long Island, Boston Harbor; Nearest city:
Quincy
42 19 48 N
70 57 30 W
MapQuest Link
Accessibility: The lighthouse and grounds are not
open to the public; the lighthouse is best seen by boat.
Station established: 1819; Current lighthouse tower
built: 1901; Deactivated: 1982-85, relighted 1985
Construction material: Brick; Tower height: 52 feet;
Height of focal plane: 120 feet
Earlier optic: Fourth-order Fresnel lens (1857); Present
optic: 250mm (solar powered)
Characteristic: Flashing white every 2.5 seconds
Active aid to navigation managed by U.S. Coast Guard
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