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Spring Point Ledge Light is a sparkplug lighthouse in South Portland, Maine, that marks a dangerous obstruction on the west side of the main shipping channel into Portland Harbor. It is now adjacent to the campus of Southern Maine Community College.

Location: Spring Point Ledge, Portland Harbor, South Portland, Maine
Coordinates: 43°39′07.61″N 70°13′26.06″W
Constructed: 1897
Foundation: Brick/Iron caisson
Construction: Cast iron with brick
Tower shape: Conical "Spark Plug"
Markings: White on black pier with black lantern
First lit: 1897
Automated: 1960
Focal height: 54 feet (16 m)
Lens: Fifth order Fresnel lens
Range: White 12 nautical miles (22 km; 14 mi), Red 10 nautical miles (19 km; 12 mi)
Characteristic: Flashing white 6s with two red sectors.
Fog signal: HORN: 1 every 10s

I viewed this lighthouse on August 20 2021.

Spring Point Ledge Lighthouse is open to the public during the summer

The lighthouse is owned by Spring Point Ledge Light Trust. Grounds open, tower open occasionally.

Added to the National Register of Historic Places on January 21 1988

Access: Car