Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Gaksuseo Lighthouse

Fl (2) White 5s🇰🇷Tongyeong-si, KROperational

Also known as: Gaksuseo (Kaksu-so)

Located off the southwestern tip of Hansando and the western tip of Yonghodo, Gaksuseo Lighthouse is a 13-meter cylindrical concrete tower painted black with a red horizontal band. Its light emits a white flash every 5 seconds from a focal height of 15 meters, with a geographic range of 11.9 nautical miles. The site is accessible to the public, though the tower itself is closed. It stands near Tongyeong-si in the South Gyeongsang province of South Korea. This lighthouse serves as a navigational aid in the waters between the islands.

Why it matters: The lighthouse is essential for safe passage through the channel separating Hansando and Yonghodo, guiding vessels and helping to prevent groundings on submerged hazards.

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
15m
Geographic Range
11.9NM
City
Tongyeong-si
Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
off the southwestern tip of Hansando and the western tip of Yonghodo
Latitude
34.7500°
Longitude
128.4594°
Nearest Port
Tongyeong(5.4 km)
Admiralty No.
M4331.5
NGA No.
16896
Tower Height
13m
Tower Shape
cylindrical
Tower Color
black with a red horizontal band
Material
concrete

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

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Gaksuseo Lighthouse on the live nautical map

Plan voyages near South Korea, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How do mariners identify Gaksuseo Lighthouse at night?+
Gaksuseo displays the characteristic Fl (2) White 5s — 2 white flashes every 5 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 Gaksuseo Lighthouse guide vessels into?+
Gaksuseo Lighthouse assists vessels approaching 5 nearby ports. The closest is Junghwa at 5 NM to the WNW. Other ports served include Tongyeong (5.5 NM NNW), Geoje (8.6 NM NE), Gohyeon/Geoje (11.6 NM NNE), Anjeong (11.7 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gaksuseo Lighthouse still active and maintained?+
Yes, Gaksuseo 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 Gaksuseo Lighthouse?+
Gaksuseo 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 Gaksuseo Lighthouse?+
You can track vessels near Gaksuseo 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.