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Sacheon Lighthouse

Fl Red 5s🇰🇷Gangneung-si, KROperational

Location & Light Range

About Sacheon Lighthouse

Also known as: Sacheon (Sach'onjin) North Breakwater

The Sacheon Lighthouse is a 10-meter tall cylindrical concrete tower, painted red. It was built in 2021 and stands 15 meters above sea level. The lighthouse emits a red light with a single flash every 5 seconds. Its geographic range extends to 11.9 nautical miles. The site is accessible to the public, though entry into the tower itself is not permitted. The nearest port facilities are located approximately 14.5 kilometers away in Okgye or Gangneung.

Why it matters: This modern navigational aid provides guidance for local shipping in the coastal waters of Gangwon State, South Korea.

Light & Optic

Characteristic Signature
Fl Red 5s
Flash Type
Flashing
Light Color
Red
Interval
5s
Raw Code
Fl R 5s
Focal Height
15m
Geographic Range
11.9NM

Construction & History

Year Built
2021

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery, painted red

Location

City
Gangneung-si
Country
🇰🇷South Korea
Region
Gangwon State
Latitude
37.8302°
Longitude
128.8780°

References & Identifiers

Nearest Port
Okgye/Gangneung(14.5 km)
Admiralty No.
M4449.8
NGA No.
16451
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Frequently Asked Questions

How do mariners identify Sacheon Lighthouse at night?+
Sacheon displays the characteristic Fl Red 5s. 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 Sacheon Lighthouse guide vessels into?+
Sacheon Lighthouse assists vessels approaching 5 nearby ports. The closest is Jumunjin at 3.8 NM to the NNW. Other ports served include Okgye/Gangneung (15.1 NM SE), Mukho/Donghae (20.4 NM SSE), Tonghae (20.7 NM SSE), Bupyong/Incheon (23.2 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sacheon Lighthouse still active and maintained?+
Yes, Sacheon 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 Sacheon Lighthouse?+
Sacheon 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 Sacheon Lighthouse?+
You can track vessels near Sacheon 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.