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I-dong Hang Lighthouse

Fl (2) Green 6s🇰🇷Busan, KROperational

Location & Light Range

About I-dong Hang Lighthouse

A green, cylindrical concrete tower, 10 meters tall, marks the south side of the entrance to I-dong harbor. It was first lit in 2013 and stands 10 meters above sea level. The structure features a gallery and is painted green. Its light emits a single green flash every six seconds, visible for 10.4 nautical miles. While the site is accessible, the tower is closed to visitors. This lighthouse is located 13.9 kilometers from the nearest port, Busan.

Why it matters: This lighthouse provides a clear visual aid for mariners navigating the entrance to I-dong harbor, helping them avoid potential hazards and delineating the safe channel for approaching or departing vessels.

Light & Optic

Characteristic Signature
Fl (2) Green 6s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
6s
Raw Code
Fl G 6s
Focal Height
10m
Geographic Range
10.4NM

Construction & History

Year Built
2013

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round cylindrical concrete tower with gallery, painted green

Location

City
Busan
Country
🇰🇷South Korea
Region
Gijang-gun
Sea Region
south side of the entrance to I-dong harbor, either on a natural reef or on a new breakwater
Latitude
35.2684°
Longitude
129.2438°

References & Identifiers

Nearest Port
Busan(13.9 km)
Admiralty No.
M4377.524.
NGA No.
M4377.524
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Frequently Asked Questions

How do mariners identify I-dong Hang Lighthouse at night?+
I-dong Hang displays the characteristic Fl (2) Green 6s — 2 green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does I-dong Hang Lighthouse guide vessels into?+
I-dong Hang Lighthouse assists vessels approaching 5 nearby ports. The closest is Onsan/Ulsan at 11.7 NM to the NNE. Other ports served include Busanjin-Gu (11.9 NM SW), South Busan (12 NM SSW), Busan (14.3 NM SW), Ulsan (16.1 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is I-dong Hang Lighthouse still active and maintained?+
Yes, I-dong Hang 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 I-dong Hang Lighthouse?+
I-dong Hang 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 I-dong Hang Lighthouse?+
You can track vessels near I-dong Hang 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.