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Sikdoyeo Lighthouse

Fl Red 4s🇰🇷KROperational

Location & Light Range

About Sikdoyeo Lighthouse

Also known as: Sikdoyeo (Sikdo East)

This cylindrical concrete tower, painted red, stands 15 meters tall and has a focal height of 13 meters. Located off the southeast tip of Sikdo, South Korea, in the Jeonbuk State, it emits a red light. The light flashes once every four seconds and has a geographic range of 11.3 nautical miles. The nearest port, Gunsan, is 25.7 kilometers away. The structure is a round, cylindrical concrete tower painted red.

Why it matters: The lighthouse's red flash warns of the island's southeastern tip, helping to prevent groundings for local vessels navigating this less-trafficked area.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
13m
Geographic Range
11.3NM

Location

Country
🇰🇷South Korea
Region
Jeonbuk State
Sea Region
off the southeast tip of Sikdo, South Korea
Latitude
35.6179°
Longitude
126.3039°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower painted red

References & Identifiers

Nearest Port
Gunsan(25.7 km)
Admiralty No.
M4206.77.
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Frequently Asked Questions

How do mariners identify Sikdoyeo Lighthouse at night?+
Sikdoyeo displays the characteristic Fl Red 4s. 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 Sikdoyeo Lighthouse guide vessels into?+
Sikdoyeo Lighthouse assists vessels approaching 5 nearby ports. The closest is Sangwangdeungdo at 8.5 NM to the WNW. Other ports served include Gunsan (25.6 NM NNE), Janghang/Seocheon-gun (29.9 NM NE), Biin (31.2 NM NNE), Daecheon (43 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sikdoyeo Lighthouse still active and maintained?+
Yes, Sikdoyeo 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 Sikdoyeo Lighthouse?+
You can track vessels near Sikdoyeo 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.