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Sudo Southeast Lighthouse

Fl White 6s🇰🇷Imja, KROperational

Location & Light Range

About Sudo Southeast Lighthouse

Sudo Southeast Lighthouse, built in 2006, is an 11-meter-high octagonal white concrete tower set on a wide concrete foundation. The light is positioned 13 meters above sea level. This structure, situated on the southeastern edge of Sudo island, provides a white flash every 6 seconds (Fl W 6s) with a geographic range of 11.3 nautical miles. Mokpo, the closest port, is 21.4 kilometers distant.

Why it matters: This light marks the channel between Imjado and Haejedo, offering navigation aid for ships traversing the waters near the island's southeastern point.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
13m
Geographic Range
11.3NM

Construction & History

Year Built
2006

References & Identifiers

Nearest Port
Mokpo(21.4 km)
Admiralty No.
M4210.38.
NGA No.
KR-3138.10

Tower & Structure

Tower Height
11m
Tower Shape
octagonal
Tower Color
white
Material
concrete

Structure: octagonal white concrete tower standing on a broad octagonal concrete base

Location

City
Imja
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
Sudo island, in the passage between Imjado and Haejedo, South Korea
Latitude
35.0815°
Longitude
126.1216°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sudo Southeast Lighthouse at night?+
Sudo Southeast displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Sudo Southeast Lighthouse guide vessels into?+
Sudo Southeast Lighthouse assists vessels approaching 5 nearby ports. The closest is Songgong at 15.6 NM to the SSE. Other ports served include Mokpo (22.2 NM SSE), Daebul/Yeongam-gun (25.1 NM SE), Sangwangdeungdo (34.1 NM N), Daeheuksando (41.5 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sudo Southeast Lighthouse still active and maintained?+
Yes, Sudo Southeast 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 Sudo Southeast Lighthouse?+
You can track vessels near Sudo Southeast 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.