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Sobeombukdo Lighthouse

Q W 15s🇰🇷Masan and Geoje Area, KROperational

Location & Light Range

About Sobeombukdo Lighthouse

This yellow, round concrete tower stands 46 meters tall and was built in 2019. It displays a quick-flashing white light composed of nine flashes every 15 seconds. The tower features black banding and is situated on a small, round island. Its focal plane is 13 meters above sea level, and it has a geographic range of 8 nautical miles. The lighthouse is located on the northwest side of an island at the entrance to Changmong harbor, near the northern end of Geojedo.

Light & Optic

Characteristic Signature
Q W 15s
Flash Type
Quick
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Q.(9)W. period 15s
Focal Height
13m
Geographic Range
8NM

Construction & History

Year Built
2019

References & Identifiers

Admiralty No.
M4342.7
NGA No.
16822

Tower & Structure

Tower Height
46m
Tower Shape
round
Tower Color
yellow
Material
concrete

Structure: E. CARDINAL (IALA B) Yellow round concrete tower, black banded, topmark; 46

Location

City
Masan and Geoje Area
Country
🇰🇷KR
Latitude
35.0008°
Longitude
128.6613°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sobeombukdo Lighthouse at night?+
Sobeombukdo displays the characteristic Q W 15s — 1 white flash every 15 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.
Which ports and harbors does Sobeombukdo Lighthouse guide vessels into?+
Sobeombukdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Gohyeon/Geoje at 6.5 NM to the SW. Other ports served include Okpo/Geoje (7.2 NM SSE), Jinhae (7.6 NM N), Busan New Port (7.8 NM ENE), Geoje (9.8 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sobeombukdo Lighthouse still active and maintained?+
Yes, Sobeombukdo 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 Sobeombukdo Lighthouse?+
Sobeombukdo 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 Sobeombukdo Lighthouse?+
You can track vessels near Sobeombukdo 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.