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Seokdo Lighthouse

Fl (3) White 10s🇰🇷KROperational

Location & Light Range

About Seokdo Lighthouse

Also known as: Seokdo (Sokto)

Seokdo Lighthouse stands on a shoal located between the northern and southern points of Soando and Nohwado, respectively. This active navigational aid features an 11-meter tower painted black with a single yellow horizontal band. Its focal height is 10 meters, and it emits a white light with a 10-second cycle. The lighthouse's geographic range extends to 10.4 nautical miles. Reaching the site requires boat access, and while the grounds are open to visitors, the tower itself remains closed.

Why it matters: This lighthouse warns vessels of a shoal situated between Soando and Nohwado, contributing to safe passage in these South Korean waters.

Light & Optic

Characteristic Signature
Fl (3) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
10m
Geographic Range
10.4NM

Location

Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
shoal about halfway between northern Soando and southern Nohwado
Latitude
34.1743°
Longitude
126.6253°

References & Identifiers

Nearest Port
Wando(10.6 km)
Admiralty No.
M4279.7
NGA No.
17326

Tower & Structure

Tower Height
10.97m
Tower Color
black with one yellow horizontal band

Structure: An 11m tower painted black with one yellow horizontal band.

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 Seokdo Lighthouse at night?+
Seokdo displays the characteristic Fl (3) White 10s — 3 white flashes every 10 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 Seokdo Lighthouse guide vessels into?+
Seokdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Hwahungpo at 7.8 NM to the NNE. Other ports served include Galdoo (9.3 NM NW), Wando-gun (11.2 NM NE), Shinma (19.1 NM NE), Chuja (21.1 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Seokdo Lighthouse still active and maintained?+
Yes, Seokdo 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 Seokdo Lighthouse?+
You can track vessels near Seokdo 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.