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Tokkiseom Lighthouse

Fl White 4s🇰🇷Changwon-si, KROperational

Also known as: Tokkiseom (Doggi Seom, Toggi Seom)

The Tokkiseom Lighthouse, erected in 2005, is a 15-meter cylindrical concrete tower, painted white and featuring a gallery. It connects to a small, single-story service structure. Situated on an island southwest of Udo, its light originates from a focal plane 68 meters above sea level. The characteristic is a white flash every 4 seconds, with a visibility range of 21.2 nautical miles. The structure is located at the entry to Jinhae Harbor, 2.7 kilometers from the nearest port city of Changwon-si.

Why it matters: This navigational aid marks the entrance to Jinhae Harbor, a primary port in South Korea. Its light assists vessels navigating the waterway.

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
68m
Geographic Range
21.2NM
Year Built
2005
Nearest Port
Jinhae(2.7 km)
Admiralty No.
M4345
NGA No.
16792
Tower Height
15m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with gallery, attached to a small 1-story service building

City
Changwon-si
Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
entrance to the harbor of Jinhae, southwest of Udo island, on a small island
Latitude
35.0767°
Longitude
128.7149°
Flag
Type
Name
Dist.
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How do mariners identify Tokkiseom Lighthouse at night?+
Tokkiseom displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Tokkiseom Lighthouse guide vessels into?+
Tokkiseom Lighthouse assists vessels approaching 5 nearby ports. The closest is Jinhae at 3.3 NM to the NNW. Other ports served include Busan New Port (4.2 NM E), Masan (8.7 NM NW), Okpo/Geoje (11.2 NM S), Gohyeon/Geoje (11.8 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tokkiseom Lighthouse still active and maintained?+
Yes, Tokkiseom 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.
What shipping routes pass near Tokkiseom Lighthouse?+
Tokkiseom Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Tokkiseom Lighthouse?+
You can track vessels near Tokkiseom 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.