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Donghaedaejin North Breakwater Lighthouse

Fl (2) Red 6s🇰🇷Donghae-si, KROperational

Location & Light Range

About Donghaedaejin North Breakwater Lighthouse

This cylindrical concrete lighthouse stands 6 meters tall on the north breakwater of Donghaedaejin harbor in Gangwon State, South Korea. Painted red, its bulbous round tower rises to a focal height of 9 meters. It emits a red flash every 6 seconds, visible for 10 nautical miles. The lighthouse marks the entrance to the harbor, providing guidance for vessels. The site is accessible to the public, though the tower itself is closed.

Why it matters: This lighthouse serves as a visual marker for the north side of the channel leading into Donghaedaejin harbor, assisting local fishing vessels and other small craft.

Light & Optic

Characteristic Signature
Fl (2) Red 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl R 6s
Focal Height
9m
Geographic Range
10NM

Location

City
Donghae-si
Country
🇰🇷South Korea
Region
Gangwon State
Sea Region
north breakwater of Donghaedaejin harbor
Latitude
37.5819°
Longitude
129.1127°

References & Identifiers

Nearest Port
Mukho(0.2 km)
Admiralty No.
M4449.05
NGA No.
16455

Tower & Structure

Tower Height
6m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: bulbous round concrete tower painted red

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Donghaedaejin North Breakwater Lighthouse at night?+
Donghaedaejin North Breakwater displays the characteristic Fl (2) Red 6s — 2 red flashes every 6 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Donghaedaejin North Breakwater Lighthouse guide vessels into?+
Donghaedaejin North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Mukho/Donghae at 2.2 NM to the S. Other ports served include Tonghae (3 NM SSW), Okgye/Gangneung (3.6 NM NW), Bupyong/Incheon (5 NM SSE), Donghae (5.4 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Donghaedaejin North Breakwater Lighthouse still active and maintained?+
Yes, Donghaedaejin North Breakwater 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 Donghaedaejin North Breakwater Lighthouse?+
Donghaedaejin North Breakwater 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 Donghaedaejin North Breakwater Lighthouse?+
You can track vessels near Donghaedaejin North Breakwater 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.