Southwest Ledge Light is an active lighthouse marking the main entrance channel to the harbor of New Haven, Connecticut.

Location: New Haven Connecticut United States
Coordinates: 41°14′04.08″N 72°54′43.55″W
Constructed: 1877
Foundation: Cast iron and concrete caisson basement
Construction: Cast iron tower
Tower height: 45 ft (14 m)
Tower shape: Octagonal tower with balcony and lantern incorporating 2-storey keeper's quarter
Markings: White tower, black lantern, brown basement
Power source: Solar power
Operator: United States Coast Guard
Automated: 1973
Focal height: 57 ft (17 m)
Lens: Fourth order Fresnel lens (original), VRB-25 (current)
Range: 14 nautical miles (26 km; 16 mi)
Characteristic: Flashes Red 5s.
Fog signal: 1 blast every 15s

I saw this light on August 16 2021

Southwest Ledge Lighthouse is best seen by boat, but distant views are possible from Five Mile Point Lighthouse in Lighthouse Point Park in New Haven.

The lighthouse is privately owned. Tower closed.

Added to the National Register of Historic Places on May 29 1990

Access: Car and a long lens. The Lighthouse Point Park charges a parking fee to out of state vehicles

Coordinates are for reference only, do not use for navigation