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Sejondo Lighthouse

Fl W 3s🇰🇷Sacheon and Namhae Area, KROperational

Location & Light Range

About Sejondo Lighthouse

This white and orange tower stands 33 meters tall, constructed from fiberglass. Its focal plane is 30 meters above sea level. The lighthouse emits a single red flash every 15 seconds, visible for 7 nautical miles. A RACON operating on both 3 and 10 cm is also part of the station's equipment. The tower features white banding against its orange body.

Light & Optic

Characteristic Signature
Fl W 3s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
3s
Raw Code
Fl.R. period 15s
Focal Height
30m
Geographic Range
7NM

Location

City
Sacheon and Namhae Area
Country
🇰🇷KR
Latitude
34.6792°
Longitude
128.0626°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
33m
Tower Color
white and orange
Material
fiberglass

Structure: Orange glass reinforced plastic(grp) fiberglass tower, white banded; 33. RACON B(– • • •) (3 & 10 cm)

References & Identifiers

Admiralty No.
M4322.35
NGA No.
17090
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Frequently Asked Questions

How do mariners identify Sejondo Lighthouse at night?+
Sejondo displays the characteristic Fl W 3s — 1 white flash every 3 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.
Which ports and harbors does Sejondo Lighthouse guide vessels into?+
Sejondo Lighthouse assists vessels approaching 5 nearby ports. The closest is Samcheonpo/Sacheon at 14 NM to the N. Other ports served include Junghwa (16.3 NM ENE), Samil (17.8 NM NW), Yeosu (19.7 NM W), Tongyeong (19.9 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sejondo Lighthouse still active and maintained?+
Yes, Sejondo 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 Sejondo Lighthouse?+
Sejondo 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 Sejondo Lighthouse?+
You can track vessels near Sejondo 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.