Ram Island Ledge Light is a lighthouse in Casco Bay, Maine, United States, marking the northern end of the main channel leading the harbor of Portland, Maine.

Location: Portland Harbor, Casco bay
Coordinates: 43°37′53.3″N 70°11′14.5″W
Constructed: 1905
Foundation: Natural/emplaced
Construction: Granite blocks
Tower height: 22 m (72 ft)
Tower shape: Conical
Markings: Natural (light gray) with black lantern
First lit: 1905
Automated: 1959
Focal height: 77 feet (23 m)
Lens: Third order Fresnel lens
Range: 8 nautical miles (15 km; 9.2 mi)
Characteristic: Flashing (2) White 6s
Fog signal: HORN: 1 every 10s s

I viewed this lighthouse on August 20 2021.

This light is best seen by boat, but it is also clearly visible from Portland Head Lighthouse..

The lighthouse is privately owned. Grounds/tower closed.

Added to the National Register of Historic Places on March 14 1988

Access: Car to see from the Portland Head Lighthouse or boat