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Sobichido Lighthouse

Fl White 6s🇰🇷Imja, KROperational

Location & Light Range

About Sobichido Lighthouse

The Sobichido Lighthouse stands as an octagonal white concrete tower 10 meters tall. Its light, visible for 24.2 nautical miles, emits a white flash every 6 seconds from a focal height of 94 meters. Situated on a small island approximately 20 kilometers northwest of Imjado in South Korea's South Jeolla region, its nearest port is Mokpo, 34.4 kilometers away. The structure is operational and marks the northwestern extent of its island location. This lighthouse serves as a navigational aid in the waters off the Korean coast.

Why it matters: This lighthouse guides vessels navigating the waters northwest of Imjado, helping to define the island's boundary and ensure safe passage in the region.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
94m
Geographic Range
24.2NM

Location

City
Imja
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
small island about 20 km northwest of Imjado
Latitude
35.2124°
Longitude
125.9005°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
octagonal
Tower Color
white
Material
concrete

Structure: octagonal white concrete tower

References & Identifiers

Nearest Port
Mokpo(34.4 km)
Admiralty No.
M4210.2.
NGA No.
M4210.2
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Frequently Asked Questions

How do mariners identify Sobichido Lighthouse at night?+
Sobichido 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 Sobichido Lighthouse guide vessels into?+
Sobichido Lighthouse assists vessels approaching 5 nearby ports. The closest is Songgong at 27.6 NM to the SE. Other ports served include Sangwangdeungdo (28.6 NM NNE), Mokpo (35 NM SE), Daebul/Yeongam-gun (38.2 NM SE), Daeheuksando (39.2 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sobichido Lighthouse still active and maintained?+
Yes, Sobichido 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 Sobichido Lighthouse?+
You can track vessels near Sobichido 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.