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Aninjin Breakwater Lighthouse

Fl Red 4s🇰🇷Gangneung-si, KROperational

Location & Light Range

About Aninjin Breakwater Lighthouse

This red, cylindrical concrete tower stands 10 meters tall and was built and first lit in 2014. It emits a single red flash every 4 seconds, with the light visible for 11.9 nautical miles. The structure is situated at the end of the north breakwater, marking the entrance to Aninjin harbor. While the tower itself is closed to the public, the site is accessible, allowing visitors to approach the breakwater. The nearest port facilities are located 6.8 kilometers away in Okgye/Gangneung.

Why it matters: This light marks the end of the north breakwater, guiding maritime traffic safely into Aninjin harbor.

Light & Optic

Characteristic Signature
Fl Red 4s
Flash Type
Flashing
Light Color
Red
Interval
4s
Raw Code
Fl R 4s
Focal Height
15m
Geographic Range
11.9NM

Construction & History

Year Built
2014

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower, painted red

Location

City
Gangneung-si
Country
🇰🇷South Korea
Region
Gangwon State
Sea Region
Aninjin harbor, at the end of the north breakwater
Latitude
37.7349°
Longitude
128.9897°

References & Identifiers

Nearest Port
Okgye/Gangneung(6.8 km)
Admiralty No.
M4449.6
NGA No.
16451.7
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Frequently Asked Questions

How do mariners identify Aninjin Breakwater Lighthouse at night?+
Aninjin Breakwater displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Aninjin Breakwater Lighthouse guide vessels into?+
Aninjin Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Okgye/Gangneung at 7.4 NM to the SSE. Other ports served include Jumunjin (11.6 NM NW), Mukho/Donghae (12.8 NM SSE), Tonghae (13.2 NM SSE), Bupyong/Incheon (15.7 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Aninjin Breakwater Lighthouse still active and maintained?+
Yes, Aninjin 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 Aninjin Breakwater Lighthouse?+
Aninjin 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 Aninjin Breakwater Lighthouse?+
You can track vessels near Aninjin 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.