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Monhegan Island Lighthouse

Fl W 15s🇺🇸Southern Maine, USOperational

Location & Light Range

About Monhegan Island Lighthouse

This stone lighthouse on Monhegan Island was first established in 1824, with the current structure dating to 1850. The tower stands 46 meters tall, with its light positioned 54 meters above sea level. Exhibiting a white light, it flashes at regular intervals, providing a geographic range of 20 nautical miles. Alexander Parris, a notable architect, designed this structure as his final major project. The lighthouse complex includes associated quarters.

Why it matters: Listed on the National Register of Historic Places in 1980, Monhegan Island Light is the second highest lighthouse in Maine.

Background
Monhegan Island Light is a lighthouse on Monhegan Island, Maine. It was first established in 1824. The present structure was built in 1850. It was Alexander Parris's last significant design. It is the second highest light in Maine — Seguin Light, with a 6-foot taller tower, is 2 feet higher in elevation. It was listed on the National Register of Historic Places as Monhegan Island Lighthouse and Quarters on May 7, 1980, reference number 80000239.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl
Focal Height
54m
Geographic Range
20NM

Construction & History

Year Built
1824
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q6899831 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
46m
Tower Color
white
Material
stone

Location

City
Southern Maine
Country
🇺🇸US
Latitude
43.7649°
Longitude
-69.3159°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Monhegan Island Lighthouse at night?+
Monhegan Island displays the characteristic Fl W 15s — 1 white flash every 15 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 Monhegan Island Lighthouse guide vessels into?+
Monhegan Island Lighthouse assists vessels approaching 5 nearby ports. The closest is Tenants Harbour at 11.9 NM to the NNE. Other ports served include Boothbay Harbor (14.5 NM WNW), BOOTHBAY (15.1 NM WNW), Saint George (16.2 NM NNE), SPRUCE HEAD (16.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Monhegan Island Lighthouse still active and maintained?+
Yes, Monhegan Island 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 Monhegan Island Lighthouse?+
You can track vessels near Monhegan Island 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.