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Boon Island Lighthouse

Fl W 5s🇺🇸Southern Maine, USOperational

Constructed in 1811, Boon Island Light stands 41 meters tall and was first lit in the same year. The tower, painted white, rises from Boon Island, a small landmass off the southern coast of Maine. Its focal height reaches 42 meters above mean high water. The lighthouse emits a white flashing light with a geographic range of 14 nautical miles. The structure has been recognized for its historical significance and is listed on the National Register of Historic Places.

Why it matters: Boon Island Light holds the distinction of being the tallest lighthouse in both Maine and New England.

Background
Boon Island Light is located on the 300-by-700-foot (91 m × 213 m) Boon Island off the southern coast of Maine, United States, near Cape Neddick. Boon Island Light has the distinction of being the tallest lighthouse in both Maine and New England at 133 feet (41 m). The lighthouse has a focal plane at 137 feet (42 m) above mean high water. The light's beacon flashes white every 5 seconds.
Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl
Focal Height
42m
Geographic Range
14NM
Year Built
1811
Heritage Status
National Register of Historic Places listed place
Tower Height
41m
Tower Color
white
City
Southern Maine
Country
🇺🇸US
Latitude
43.1208°
Longitude
-70.4761°
Flag
Type
Name
Dist.
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How do mariners identify Boon Island Lighthouse at night?+
Boon Island displays the characteristic Fl W 5s — 1 white flash every 5 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 Boon Island Lighthouse guide vessels into?+
Boon Island Lighthouse assists vessels approaching 5 nearby ports. The closest is York Beach at 6.1 NM to the WNW. Other ports served include York Harbor (7.3 NM W), YORK MARINE SERVICE (7.5 NM W), Ogunquit (8.6 NM NW), Portsmouth (11 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Boon Island Lighthouse still active and maintained?+
Yes, Boon 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 Boon Island Lighthouse?+
You can track vessels near Boon 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.