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Gyeokdo Lighthouse

Q (3) W 10s🇰🇷Masan and Geoje Area, KROperational

Location & Light Range

About Gyeokdo Lighthouse

This black cylindrical concrete tower stands 52 meters tall and was first lit in 2001. Its focal plane is 17 meters above sea level. The tower features a yellow horizontal band and a topmark. It displays three quick white flashes every 10 seconds. The lighthouse is situated on a rocky reef approximately 1 kilometer off the northeast coast of Geojedo.

Light & Optic

Characteristic Signature
Q (3) W 10s
Flash Type
Quick
Light Color
White
Flash Count
3 flashes
Interval
10s
Raw Code
Q.(3)W. period 10s
Focal Height
17m
Geographic Range
6NM

Construction & History

Year Built
2001

References & Identifiers

Admiralty No.
M4351.9
NGA No.
16829

Tower & Structure

Tower Height
52m
Tower Shape
cylindrical
Tower Color
black
Material
concrete

Structure: E. CARDINAL (IALA B) Black beacon, yellow banded, topmark; 52

Location

City
Masan and Geoje Area
Country
🇰🇷KR
Latitude
34.9804°
Longitude
128.7110°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Gyeokdo Lighthouse at night?+
Gyeokdo displays the characteristic Q (3) W 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.
Which ports and harbors does Gyeokdo Lighthouse guide vessels into?+
Gyeokdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Okpo/Geoje at 5.5 NM to the S. Other ports served include Busan New Port (6.7 NM NE), Gohyeon/Geoje (7.6 NM WSW), Jinhae (8.9 NM N), Geoje (10 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gyeokdo Lighthouse still active and maintained?+
Yes, Gyeokdo 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 Gyeokdo Lighthouse?+
Gyeokdo 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 Gyeokdo Lighthouse?+
You can track vessels near Gyeokdo 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.