Prospect Harbor Point Light is a lighthouse on Prospect Harbor Point, which divides Sand Cove from Inner Harbor at the head of Prospect Harbor on the southern shore of Gouldsboro, Maine. Also known as Prospect Harbor Light, it was first established in 1850. The present structure was built in 1891.

Location: Prospect Harbor, Maine
Coordinates: 44°24′11.7″N 68°0′46.4″W
Constructed: 1850
Construction: lumber
Automated: 1951
Height: 11.5 m (38 ft)
Shape: Conical Tower
Markings: White
Fog signal: none
First lit: 1891 (current structure)
Deactivated: 1859-1870
Focal height: 42 feet (13 m)
Range: 9 nautical miles (17 km; 10 mi) & 7 nautical miles (13 km; 8.1 mi)
Characteristic: Flashing Red 6s with 2 White sectors.

I was here on July 15 2022.

The keeper's dwelling is owned by the Navy, while the tower is owned by the Coast Guard, who has leased it to the American Lighthouse Foundation. Grounds/dwelling/tower closed.

About two weeks before I was here the keepers cottage had a fire and destroyed the second story

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

Access: Car. There are several points along the road from where you can see the lighthouse across the harbor.