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Daebyongdaedo Lighthouse

Fl G 5s🇰🇷Masan and Geoje Area, KROperational

Location & Light Range

About Daebyongdaedo Lighthouse

This green tower, built and first lit in 2003, stands 21 meters tall. Its focal plane is 26 meters above sea level. The light emits a white flash every 6 seconds. The lighthouse is situated on the highest point of Daebyongdaedo, a small island approximately 3 kilometers off the southern coast of Geojedo. Access to the island is exclusively by boat.

Light & Optic

Characteristic Signature
Fl G 5s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 6s
Focal Height
26m
Geographic Range
8NM

Construction & History

Year Built
2003

References & Identifiers

Admiralty No.
M4331.75
NGA No.
16875

Tower & Structure

Tower Color
green

Location

City
Masan and Geoje Area
Country
🇰🇷KR
Latitude
34.6821°
Longitude
128.6262°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Daebyongdaedo Lighthouse at night?+
Daebyongdaedo displays the characteristic Fl G 5s — 1 green flash every 5 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Daebyongdaedo Lighthouse guide vessels into?+
Daebyongdaedo Lighthouse assists vessels approaching 5 nearby ports. The closest is Geoje at 10.3 NM to the NNW. Other ports served include Kukdo (13.1 NM SW), Okpo/Geoje (13.2 NM NNE), Tongyeong (13.8 NM NW), Junghwa (14.2 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Daebyongdaedo Lighthouse still active and maintained?+
Yes, Daebyongdaedo 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 Daebyongdaedo Lighthouse?+
Daebyongdaedo 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 Daebyongdaedo Lighthouse?+
You can track vessels near Daebyongdaedo 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.