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Mokseokdo Lighthouse

Fl R 4s🇰🇷Tongyeong Area, KROperational

Location & Light Range

About Mokseokdo Lighthouse

The Mokseokdo Lighthouse is a 46-meter tall conical tower constructed from fiberglass. Its design features an orange body adorned with white banding. The lighthouse emits a red light with a single flash occurring every 4 seconds. This structure stands at a focal height of 19 meters, providing a geographic range of 7 nautical miles. The tower's construction material is fiberglass, and its color scheme consists of white and orange.

Light & Optic

Characteristic Signature
Fl R 4s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
4s
Raw Code
Fl.R. period 4s
Focal Height
19m
Geographic Range
7NM

Location

City
Tongyeong Area
Country
🇰🇷KR
Latitude
34.8177°
Longitude
128.1987°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
46m
Tower Shape
conical
Tower Color
white and orange
Material
fiberglass

Structure: Orange truncated conical glass reinforced plastic(grp) fiberglass tower, white banded; 46

References & Identifiers

Admiralty No.
M4321.45
NGA No.
17012
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Frequently Asked Questions

How do mariners identify Mokseokdo Lighthouse at night?+
Mokseokdo displays the characteristic Fl R 4s — 1 red flash every 4 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 Mokseokdo Lighthouse guide vessels into?+
Mokseokdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Samcheonpo/Sacheon at 7.8 NM to the NW. Other ports served include Junghwa (8.5 NM ESE), GOSEONG (10.1 NM NE), Tongyeong (10.9 NM E), Anjeong (13.8 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mokseokdo Lighthouse still active and maintained?+
Yes, Mokseokdo 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 Mokseokdo Lighthouse?+
Mokseokdo 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 Mokseokdo Lighthouse?+
You can track vessels near Mokseokdo 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.