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Mallyukdo Lighthouse

Fl White 5s🇰🇷Ansan, KROperational

Location & Light Range

About Mallyukdo Lighthouse

Also known as: Mallyukdo (Malyukdo, Maryukdo)

Mallyukdo Lighthouse is a 9-meter round white fiberglass tower situated on a small island. This island marks the north end of a reef located approximately 5 km east of Pungdo. The lighthouse emits a white flash every 5 seconds. Its focal height is 42 meters, providing a geographic range of 17.4 nautical miles. The nearest port, Dangjin, is 3.8 km away. The structure serves as an automated aid to navigation.

Why it matters: This lighthouse warns vessels of the northern extremity of a reef near Pungdo, helping to prevent groundings.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
42m
Geographic Range
17.4NM

Location

City
Ansan
Country
🇰🇷South Korea
Region
Gyeonggi
Sea Region
island marking the north end of a reef about 5 km east of Pungdo
Latitude
37.1115°
Longitude
126.4531°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
white
Material
fiberglass

Structure: round white fiberglass tower

References & Identifiers

Nearest Port
Dangjin(3.8 km)
Admiralty No.
M4161
NGA No.
17937
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Frequently Asked Questions

How do mariners identify Mallyukdo Lighthouse at night?+
Mallyukdo displays the characteristic Fl White 5s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Mallyukdo Lighthouse guide vessels into?+
Mallyukdo Lighthouse assists vessels approaching 5 nearby ports. The closest is DANGJIN at 4 NM to the SE. Other ports served include Daesan/Seosan (6.7 NM SSW), Taean-gun (15.5 NM SW), Dangjin (18.1 NM ESE), Pyeongtaek (18.2 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mallyukdo Lighthouse still active and maintained?+
Yes, Mallyukdo 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.
How can I track vessels near Mallyukdo Lighthouse?+
You can track vessels near Mallyukdo 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.