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Haesuseo Lighthouse

Fl (2) White 10s🇰🇷Jodo-myeon, KROperational

Location & Light Range

About Haesuseo Lighthouse

Also known as: Haesuseo (Haesu Seo, Haesu So)

A 11-meter cylindrical concrete tower, painted black with a single red horizontal band, is located on a reef southwest of Hajodo. It emits a white flash every 10 seconds, visible for 10.7 nautical miles. The structure is in the South Jeolla region of South Korea, situated between Daemado and Gwanmaedo islands. Access is via boat from Wando, 34 kilometers distant. The site permits visitor access, but the tower interior remains closed.

Why it matters: This navigation aid marks the reef southwest of Hajodo, facilitating safe passage for vessels navigating between Daemado and Gwanmaedo.

Light & Optic

Characteristic Signature
Fl (2) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
11m
Geographic Range
10.7NM

Location

City
Jodo-myeon
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
Located on a reef southwest of Hajodo and halfway between Daemado and Gwanmaedo.
Latitude
34.2451°
Longitude
126.0725°

References & Identifiers

Nearest Port
Wando(34.0 km)
Admiralty No.
M4249.8
NGA No.
17562

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round concrete tower, painted black with one red horizontal band

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Haesuseo Lighthouse at night?+
Haesuseo displays the characteristic Fl (2) White 10s — 2 white flashes every 10 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Haesuseo Lighthouse guide vessels into?+
Haesuseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Chuja at 21 NM to the SSE. Other ports served include Galdoo (22.3 NM E), Hwahungpo (29.7 NM E), Mokpo (34.4 NM NNE), Wando-gun (34.5 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Haesuseo Lighthouse still active and maintained?+
Yes, Haesuseo 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 Haesuseo Lighthouse?+
You can track vessels near Haesuseo 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.