Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Doubling Point Lighthouse

Fl W 4s🇺🇸Southern Maine, USOperational

Also known as: Doubling Point Lighthouse

The Doubling Point Lighthouse began operation in 1898. Its white tower measures 7 meters in height, with the light positioned at the same elevation. The lighthouse emits a white flash, visible for a geographic range of 9 nautical miles. This structure has been operational since its construction.

Why it matters: This lighthouse is listed on the National Register of Historic Places.

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Raw Code
Fl
Focal Height
7m
Geographic Range
9NM
Year Built
1898
Heritage Status
National Register of Historic Places listed place
Admiralty No.
LLNR 6145
Wikidata
Q5300171
OpenStreetMap
View on OSM →
Tower Height
7m
Tower Color
white
City
Southern Maine
Country
🇺🇸US
Latitude
43.8825°
Longitude
-69.8068°
Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Doubling Point Lighthouse on the live nautical map

Plan voyages near US, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How do mariners identify Doubling Point Lighthouse at night?+
Doubling Point displays the characteristic Fl W 4s — 1 white flash every 4 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.
Which ports and harbors does Doubling Point Lighthouse guide vessels into?+
Doubling Point Lighthouse assists vessels approaching 5 nearby ports. The closest is Bath at 1.1 NM to the NNW. Other ports served include GREAT ISLAND BOAT (5.7 NM WSW), BOOTHBAY (7.4 NM ESE), Boothbay Harbor (7.9 NM ESE), WISCASSET LANDING (9.3 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Doubling Point Lighthouse still active and maintained?+
Yes, Doubling 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 Doubling Point Lighthouse?+
You can track vessels near Doubling 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.