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Udo South Breakwater Lighthouse

Fl R 6s🇰🇷Jeju (Cheju), KROperational

Location & Light Range

About Udo South Breakwater Lighthouse

This cylindrical concrete tower stands 16 meters tall and was first lit in 2023. Painted red, its focal plane is also 16 meters above the water. The lighthouse emits a single red flash every 6 seconds, visible for 7 nautical miles. It is situated on the breakwater of the ferry terminal on the southwest side of Jeju island. The structure's construction material is concrete, and the tower itself is 16 meters high.

Light & Optic

Characteristic Signature
Fl R 6s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
6s
Raw Code
Fl
Focal Height
16m
Geographic Range
7NM

Construction & History

Year Built
2023

References & Identifiers

Admiralty No.
M4271.7
NGA No.
17425
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Location

City
Jeju (Cheju)
Country
🇰🇷KR
Latitude
33.4915°
Longitude
126.9496°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Udo South Breakwater Lighthouse at night?+
Udo South Breakwater displays the characteristic Fl R 6s — 1 red flash 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Udo South Breakwater Lighthouse guide vessels into?+
Udo South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Seongsan-po at 1.5 NM to the SW. Other ports served include NAMWON (17.3 NM SW), Jeju (19.7 NM W), Kwangyang (20.8 NM W), Seogwipo (24.5 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Udo South Breakwater Lighthouse still active and maintained?+
Yes, Udo South Breakwater 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 Udo South Breakwater Lighthouse?+
You can track vessels near Udo South Breakwater 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.