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Manzyu Shima Lighthouse

Fl White 4s🇯🇵Shimonoseki, JPOperational

Location & Light Range

About Manzyu Shima Lighthouse

Also known as: Manju

Built in 1934, the Manzyu Shima lighthouse is a cylindrical concrete tower standing 16 meters tall. It features a lantern and gallery at its summit. The light emits a single white flash every four seconds and has a geographic range of 12.2 nautical miles. Located in Yamaguchi Prefecture, near Shimonoseki, the lighthouse is situated on an island 0.8 kilometers from the nearest port, Chofu. While the tower is closed to the public, visitors can access the site.

Why it matters: Active since 1934, this lighthouse provides navigational guidance for vessels in the waters near Shimonoseki.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
16m
Geographic Range
12.2NM

Construction & History

Year Built
1934

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Material
concrete

Structure: round concrete tower with lantern and gallery

Location

City
Shimonoseki
Country
🇯🇵Japan
Region
Yamaguchi Prefecture
Latitude
33.9939°
Longitude
131.0267°

References & Identifiers

Nearest Port
Chofu(0.8 km)
ARLHS No.
JPN-330
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Frequently Asked Questions

How do mariners identify Manzyu Shima Lighthouse at night?+
Manzyu Shima displays the characteristic Fl White 4s. 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 Manzyu Shima Lighthouse guide vessels into?+
Manzyu Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Moji/Kitakyushu at 2.1 NM to the SSW. Other ports served include Tanoura/Kitakyushu (4 NM SW), Asa (5.5 NM E), Shimonoseki (5.9 NM SW), Onoda (7.1 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Manzyu Shima Lighthouse still active and maintained?+
Yes, Manzyu Shima 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 Manzyu Shima Lighthouse?+
Manzyu Shima 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 Manzyu Shima Lighthouse?+
You can track vessels near Manzyu Shima 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.