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Halfway Rock Lighthouse

Fl R 5s🇺🇸Southern Maine, USOperational

Location & Light Range

About Halfway Rock Lighthouse

Also known as: Halfway Rock Lighthouse

Constructed in 1871, Halfway Rock Lighthouse stands 23 meters tall and displays a red tower. The structure emits a red flashing light, visible for 14 nautical miles. Its focal height reaches 23.5 meters above sea level. The lighthouse is situated off the coast of Southern Maine.

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

Light & Optic

Characteristic Signature
Fl R 5s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
5s
Raw Code
Fl
Focal Height
23.5m
Geographic Range
14NM

Construction & History

Year Built
1871
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q5641964 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
23m
Tower Color
red

Location

City
Southern Maine
Country
🇺🇸US
Latitude
43.6560°
Longitude
-70.0369°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Halfway Rock Lighthouse at night?+
Halfway Rock displays the characteristic Fl R 5s — 1 red 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Halfway Rock Lighthouse guide vessels into?+
Halfway Rock Lighthouse assists vessels approaching 5 nearby ports. The closest is COOKS LOBSTER HOUSE at 5.9 NM to the NNE. Other ports served include Portland (9.3 NM W), Portland (9.4 NM W), YARMOUTH (10.2 NM NW), GREAT ISLAND BOAT (11.7 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Halfway Rock Lighthouse still active and maintained?+
Yes, Halfway Rock 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 Halfway Rock Lighthouse?+
You can track vessels near Halfway Rock 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.