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Sangtan Lighthouse

Fl (2) White 6s🇰🇷KROperational

Location & Light Range

About Sangtan Lighthouse

A cylindrical concrete tower, 7 meters in height, stands white at the westernmost point of Namhaedo. The lighthouse emits a white light, displaying a single flash every 6 seconds from a focal height of 11 meters. Its geographic range extends to 10.7 nautical miles. The lighthouse is located opposite Gwangyang harbor, approximately 1 kilometer from the nearest port. While the site is accessible to the public, the tower itself remains closed.

Why it matters: The Sangtan lighthouse is essential for directing vessels entering or leaving Gwangyang harbor, a major industrial port. Its position on Namhaedo serves as a key reference for navigating this busy waterway.

Light & Optic

Characteristic Signature
Fl (2) White 6s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
6s
Raw Code
Fl W 6s
Focal Height
11m
Geographic Range
10.7NM

Location

Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
westernmost point of Namhaedo, opposite Gwangyang harbor
Latitude
34.8572°
Longitude
127.8070°

References & Identifiers

Nearest Port
Gwangyang(1.0 km)
Admiralty No.
M4310.7
NGA No.
17144

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sangtan Lighthouse at night?+
Sangtan displays the characteristic Fl (2) White 6s — 2 white flashes every 6 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Sangtan Lighthouse guide vessels into?+
Sangtan Lighthouse assists vessels approaching 5 nearby ports. The closest is Samil at 1.3 NM to the WNW. Other ports served include Gwangyang (4.7 NM WNW), Yeosu (9.7 NM SW), Samcheonpo/Sacheon (14.2 NM ENE), GOSEONG (26 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sangtan Lighthouse still active and maintained?+
Yes, Sangtan 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.
What shipping routes pass near Sangtan Lighthouse?+
Sangtan Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Sangtan Lighthouse?+
You can track vessels near Sangtan 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.