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Sebyeolgot Lighthouse

Fl (3) White 10s🇰🇷Seogwipo-si, KROperational

Location & Light Range

About Sebyeolgot Lighthouse

This cylindrical concrete lighthouse stands 22 meters tall and emits a white light with one flash every 10 seconds. Its exterior is painted black and features a single yellow horizontal band. The structure includes a gallery at the top. It is situated on a rock located just west of Daecheon harbor, off the coast of Seogwipo-si in South Korea's Jeju region. The light has a geographic range of 12.9 nautical miles and a focal height of 19 meters. The nearest port is Seogwipo, approximately 4.4 kilometers away.

Why it matters: The light is important for vessels navigating the coastal waters near Daecheon harbor, helping to define safe channels for approaching and departing ships.

Light & Optic

Characteristic Signature
Fl (3) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
19m
Geographic Range
12.9NM

Location

City
Seogwipo-si
Country
🇰🇷South Korea
Region
Jeju
Sea Region
a rock just west of Daecheon harbor
Latitude
33.2269°
Longitude
126.4781°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
22m
Tower Shape
cylindrical
Tower Color
black with one yellow horizontal band
Material
concrete

Structure: round concrete tower with gallery, painted black with one yellow horizontal band

References & Identifiers

Nearest Port
Seogwipo(4.4 km)
Admiralty No.
M4274.55
NGA No.
17476.1
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Frequently Asked Questions

How do mariners identify Sebyeolgot Lighthouse at night?+
Sebyeolgot displays the characteristic Fl (3) White 10s — 3 white flashes every 10 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Sebyeolgot Lighthouse guide vessels into?+
Sebyeolgot Lighthouse assists vessels approaching 5 nearby ports. The closest is Seogwipo at 4.6 NM to the E. Other ports served include Hwasun (7.3 NM W), HWASUN (7.4 NM W), NAMWON (12.5 NM ENE), Aewol (15.7 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sebyeolgot Lighthouse still active and maintained?+
Yes, Sebyeolgot 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 Sebyeolgot Lighthouse?+
You can track vessels near Sebyeolgot 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.