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Uido Lighthouse

Fl White 5s🇰🇷Docho, KROperational

Location & Light Range

About Uido Lighthouse

Also known as: Uido (Ueuido)

A white concrete post tower 8 meters tall stands at the west end of Uido, an island west of Dochodo in South Korea's South Jeolla region. The lighthouse has a focal height of 83 meters and emits a white flash every 5 seconds, visible for 23 nautical miles. The structure is a red concrete tower. While the site is accessible to the public, the tower itself remains closed. It is located approximately 30 kilometers from the nearest port of Daebul/Yeongam-gun.

Why it matters: This lighthouse marks the western edge of Uido, guiding vessels through the waters west of Dochodo and contributing to safer navigation in the Korean archipelago.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
83m
Geographic Range
23NM

Location

City
Docho
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
west end of Uido, an island west of Dochodo
Latitude
34.6206°
Longitude
125.8034°

References & Identifiers

Nearest Port
Daebul/Yeongam-gun(30.0 km)
Admiralty No.
M4228.8
NGA No.
17646

Tower & Structure

Tower Height
8m
Tower Shape
post
Tower Color
white
Material
concrete

Structure: red 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 Uido Lighthouse at night?+
Uido displays the characteristic Fl White 5s. 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 Uido Lighthouse guide vessels into?+
Uido Lighthouse assists vessels approaching 5 nearby ports. The closest is Daeheuksando at 18.7 NM to the WNW. Other ports served include Songgong (24.1 NM ENE), Mokpo (28.7 NM ENE), Hongdo (30.7 NM W), Daebul/Yeongam-gun (32.1 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Uido Lighthouse still active and maintained?+
Yes, Uido 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 Uido Lighthouse?+
You can track vessels near Uido 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.