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St. Simons South Tower Lighthouse

Iso Red 6s🇺🇸USOperational

This 46-meter square skeletal steel tower, painted white, stands in St. Simons Sound off the west coast of St. Simons Island. It defines one side of the St. Simons Entrance Channel, providing a geographic range of 18.1 nautical miles. The tower emits an isophase red light on a 6-second cycle. Constructed of steel, it is located 4.2 kilometers from the nearest port, Brunswick. The site is open for viewing, but the tower itself is closed to the public, accessible only by boat.

Why it matters: The St. Simons South Tower is indispensable for safe navigation into St. Simons Sound, serving as a critical marker for the St. Simons Entrance Channel. Its specific red light provides immediate confirmation to mariners that they are on the correct course.

Characteristic Signature
Iso Red 6s
Flash Type
Isophase
Light Color
Red
Interval
6s
Raw Code
Iso R 6s
Focal Height
46m
Geographic Range
18.1NM
Country
🇺🇸United States
Region
Georgia
Sea Region
St. Simons Sound off the west coast of St. Simons Island, defining one side of the St. Simons Entrance Channel.
Latitude
31.1474°
Longitude
-81.4180°
Nearest Port
Brunswick(4.2 km)
Admiralty No.
J2843.2
USCG No.
3-6125
Tower Height
46m
Tower Shape
skeletal
Tower Color
white
Material
steel

Structure: A 46m square skeletal steel tower, painted white.

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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How do mariners identify St. Simons South Tower Lighthouse at night?+
St. Simons South Tower displays the characteristic Iso Red 6s. 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 St. Simons South Tower Lighthouse guide vessels into?+
St. Simons South Tower Lighthouse assists vessels approaching 5 nearby ports. The closest is JEKYLL at 6.2 NM to the S. Other ports served include Brunswick (6.3 NM W), Fernandina Beach (28.2 NM S), AMELIA ISLAND (31.1 NM S), Amelia City (33.9 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is St. Simons South Tower Lighthouse still active and maintained?+
Yes, St. Simons South Tower 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 St. Simons South Tower Lighthouse?+
You can track vessels near St. Simons South Tower 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.