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Boston Light

Lighthouse · Plymouth County, Massachusetts

Boston Light in the Evening
Boston Light in the Evening · MBTafan2011 / Wikimedia Commons · CC BY 3.0

Boston Light is a lighthouse in Plymouth County, Massachusetts. Massachusetts has 81 lighthouses on record at Wayfarrow, 8 of them in Plymouth County.

It was built in 1783, in the colonial and early republic era, making it the oldest of the 50 in Massachusetts with a recorded construction date; the tower stands about 89 feet tall (5th tallest of 36 measured in Massachusetts); its light sits 102 feet above the water; the light characteristic is recorded as Fl W 10s (a white flash every 10 seconds), with a range of about 27 nautical miles; it was deactivated in 1776.

Status check, 2026-11: The British blew up the 1716 tower in 1776; it was rebuilt in 1783 at 75 ft and raised to 89 ft in 1859. Boston Light is listed on the National Register of Historic Places. It is not reachable by road: the nearest road is about 1 mile away, so it is seen from shore or reached by water. It stands at 42.3279° N, 70.8901° W.

Key facts

Current structure built1783
Tower height89 ft
Focal height102 ft
Light characteristicFl W 10s
Range27 nautical miles
Deactivated1776
Heritage designationNational Historic Landmark
National RegisterListed
Coordinates42.32792, -70.89014

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Nearby places

Questions

Where is Boston Light?

Boston Light is in Plymouth County, Massachusetts, at 42.3279, -70.8901.

How many lighthouses are in Plymouth County?

Plymouth County, Massachusetts has 8 lighthouses on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.