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Seungseo Lighthouse

Fl (2) White 5s🇰🇷Heuksan, KROperational

Location & Light Range

About Seungseo Lighthouse

Seungseo Lighthouse stands on a shoal adjacent to the southern coast of Damuldo, an island located approximately 5 kilometers north of Daeheuksando harbor. This operational concrete tower, measuring 21 meters in height, features a cylindrical black structure with a single red horizontal band. It rises from a square platform supported by piles, with its light positioned 17 meters above the water. The lighthouse emits a white flash every 5 seconds, visible for 12.4 nautical miles. Access to the site is exclusively by boat.

Why it matters: Seungseo Lighthouse marks a shoal off Damuldo, offering guidance for vessels navigating towards or away from Daeheuksando harbor and promoting safe passage through these coastal waters.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
17m
Geographic Range
12.4NM

Location

City
Heuksan
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
shoal off the south coast of Damuldo, an island about 5 km north of Daeheuksando harbor
Latitude
34.7298°
Longitude
125.4437°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
21m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round concrete tower rising from a square platform supported by piles

References & Identifiers

Nearest Port
Mokpo(46.0 km)
Admiralty No.
M4225.3.
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Frequently Asked Questions

How do mariners identify Seungseo Lighthouse at night?+
Seungseo displays the characteristic Fl (2) White 5s — 2 white flashes 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Seungseo Lighthouse guide vessels into?+
Seungseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Daeheuksando at 2.8 NM to the S. Other ports served include Hongdo (13.7 NM WSW), Songgong (38.6 NM E), Gageohyangri (43.6 NM SSW), Mokpo (45.2 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Seungseo Lighthouse still active and maintained?+
Yes, Seungseo 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 Seungseo Lighthouse?+
You can track vessels near Seungseo 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.