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Southwest Ledge Light

Lighthouse · South Central Connecticut County, Connecticut

Southwest Ledge Lighthouse, entrance to New Haven Harbor
Southwest Ledge Lighthouse, entrance to New Haven Harbor · Versageek / Wikimedia Commons · CC BY-SA 4.0

Southwest Ledge Light is a lighthouse in South Central Connecticut County, Connecticut. Connecticut has 34 lighthouses on record at Wayfarrow, 4 of them in South Central Connecticut County.

It was built in 1877, in the late 19th century, making it the 16th oldest of the 28 in Connecticut with a recorded construction date; the tower stands about 45 feet tall (13th tallest of 21 measured in Connecticut); its light sits 56 feet above the water; the light characteristic is recorded as Fl R 5s (a red flash every 5 seconds), with a range of about 13 nautical miles; it guards Long Island Sound.

Status check, 2026-11: This is an active cast-iron caisson light at the end of the New Haven breakwater, built from 1873 and lit January 1, 1877. The record's coordinates match Wikidata, but other sources place it about 1 km east (41.2344, -72.9122). Southwest Ledge Light is listed on the National Register of Historic Places. It is not reachable by road: the nearest road is about 2 miles away, so it is seen from shore or reached by water. It stands at 41.2314° N, 72.9236° W.

Key facts

Current structure built1877
Tower height45 ft
Focal height56 ft
Light characteristicFl R 5s
Range13 nautical miles
Body of waterLong Island Sound
Heritage designationNational Register of Historic Places listed place
National RegisterListed
Coordinates41.23139, -72.92361

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Nearby places

Questions

Where is Southwest Ledge Light?

Southwest Ledge Light is in South Central Connecticut County, Connecticut, at 41.2314, -72.9236.

How many lighthouses are in South Central Connecticut County?

South Central Connecticut County, Connecticut has 4 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.