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Squirrel Point Lighthouse

Iso WR 6s🇺🇸Southern Maine, USOperational

Squirrel Point Light was established in 1898, marking the southwestern tip of Arrowsic Island along the Kennebec River. The current structure stands 7.5 meters tall with a focal height of 10 meters. Its red tower exhibits a white, isophase light that cycles every 6 seconds, offering a geographic range of 7 nautical miles. This light was part of a broader initiative to enhance navigation on the river, with several lights being constructed concurrently.

Why it matters: The light station was listed on the National Register of Historic Places on January 21, 1988.

Background
Squirrel Point Light is a lighthouse marking the southwestern point of Arrowsic Island on the Kennebec River. It was established in 1898, as part of a major upgrade of the river's lights — the Doubling Point Light and the separate Range Lights on the point, Perkins Island Light, and Squirrel Point Light were all built at the same time. The light station was listed on the National Register of Historic Places as Squirrel Point Light Station on January 21, 1988.
Characteristic Signature
Iso WR 6s
Flash Type
Isophase
Light Color
WR
Flash Count
1 flash
Interval
6s
Raw Code
Iso
Focal Height
10m
Geographic Range
7NM
Year Built
1898
Heritage Status
National Register of Historic Places listed place
Admiralty No.
LLNR 6100
Wikidata
Q7582336
OpenStreetMap
View on OSM →
Tower Height
7.5m
Tower Color
red
City
Southern Maine
Country
🇺🇸US
Latitude
43.8166°
Longitude
-69.8024°
Flag
Type
Name
Dist.
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How do mariners identify Squirrel Point Lighthouse at night?+
Squirrel Point displays the characteristic Iso WR 6s — 1 wr flash every 6 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The wr color may indicate a specific sector or warning zone.
Which ports and harbors does Squirrel Point Lighthouse guide vessels into?+
Squirrel Point Lighthouse assists vessels approaching 5 nearby ports. The closest is Bath at 5 NM to the N. Other ports served include GREAT ISLAND BOAT (5 NM W), BOOTHBAY (7.1 NM ENE), Boothbay Harbor (7.7 NM ENE), COOKS LOBSTER HOUSE (9.1 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Squirrel Point Lighthouse still active and maintained?+
Yes, Squirrel Point Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Squirrel Point Lighthouse?+
You can track vessels near Squirrel Point Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.