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Sandaewol-ri Lighthouse

Fl (3) White 10s🇰🇷Gangneung-si, KROperational

Location & Light Range

About Sandaewol-ri Lighthouse

This cylindrical concrete tower stands 10 meters tall and is painted black with a single yellow horizontal band. Its light emits one white flash every 10 seconds. The lighthouse is located approximately 300 meters offshore, about 1.5 kilometers southeast of Sacheon harbor. The focal height of the light is just over 10 meters, providing a geographic range of 10.4 nautical miles. The site of the lighthouse is accessible, but the tower itself is closed to the public.

Why it matters: This light is important for mariners approaching or departing Sacheon harbor, helping to differentiate it from other lights in the area and ensure safe passage.

Light & Optic

Characteristic Signature
Fl (3) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
10.0584m
Geographic Range
10.4NM

Location

City
Gangneung-si
Country
🇰🇷South Korea
Region
Gangwon State
Sea Region
about 300 m offshore about 1.5 km southeast of Sacheon harbor
Latitude
37.8224°
Longitude
128.8867°

References & Identifiers

Nearest Port
Okgye/Gangneung(13.9 km)
Admiralty No.
M4449.78.
NGA No.
M4449.78

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
black with a yellow horizontal band
Material
concrete

Structure: round cylindrical concrete tower painted black with a yellow 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 Sandaewol-ri Lighthouse at night?+
Sandaewol-ri displays the characteristic Fl (3) White 10s — 3 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 Sandaewol-ri Lighthouse guide vessels into?+
Sandaewol-ri Lighthouse assists vessels approaching 5 nearby ports. The closest is Jumunjin at 4.4 NM to the NW. Other ports served include Okgye/Gangneung (14.4 NM SE), Mukho/Donghae (19.8 NM SSE), Tonghae (20.1 NM SSE), Bupyong/Incheon (22.6 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sandaewol-ri Lighthouse still active and maintained?+
Yes, Sandaewol-ri 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 Sandaewol-ri Lighthouse?+
Sandaewol-ri 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 Sandaewol-ri Lighthouse?+
You can track vessels near Sandaewol-ri 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.