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Aninjin Groyne Lighthouse

Fl Green 4s🇰🇷Gangneung-si, KROperational

This white, cylindrical concrete tower stands 10 meters tall and was constructed in 2014. Located at the end of Aninjin harbor's south breakwater, it guides vessels with a green light that flashes every 4 seconds. Its focal height reaches 15 meters, providing a geographic range of 11.9 nautical miles. The structure itself is a round, cylindrical concrete tower painted white. While the grounds are accessible to visitors, the tower structure is closed to the public. The nearest ports are Okgye and Gangneung, approximately 6.9 kilometers away.

Why it matters: This lighthouse is essential for the safe navigation of vessels entering and exiting Aninjin harbor, clearly marking the entrance and preventing groundings.

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
15m
Geographic Range
11.9NM
Year Built
2014
Open to public
Site open, tower closed
Flag
Type
Name
Dist.
Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower, painted white

City
Gangneung-si
Country
🇰🇷South Korea
Region
Gangwon State
Sea Region
Aninjin harbor, at the end of the south breakwater
Latitude
37.7348°
Longitude
128.9894°
Nearest Port
Okgye/Gangneung(6.9 km)
Admiralty No.
M4449.65
NGA No.
16451.8
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How do mariners identify Aninjin Groyne Lighthouse at night?+
Aninjin Groyne displays the characteristic Fl Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Aninjin Groyne Lighthouse guide vessels into?+
Aninjin Groyne 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 Groyne Lighthouse still active and maintained?+
Yes, Aninjin Groyne 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 Groyne Lighthouse?+
Aninjin Groyne 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 Groyne Lighthouse?+
You can track vessels near Aninjin Groyne 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.