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Manabeshima Kō Lighthouse

F Red 6s🇯🇵Kasaoka, JPOperational

Location & Light Range

About Manabeshima Kō Lighthouse

This 9.5-meter concrete tripod tower, painted red, was built and first lit in 1982. It stands on a square, one-story concrete equipment room located at the end of the main breakwater of Manabe Shima. The lighthouse emits a single red flash every six seconds, visible for 11.3 nautical miles. The site is open to the public, but the tower structure is closed. Its nearest port is Hakoura, 6 kilometers away.

Why it matters: This lighthouse is indispensable for the local maritime community, ensuring safe passage for fishing boats and ferries navigating the approach to Manabe Shima's harbor. Its distinctive red light, marking the end of the main breakwater, prevents potential collisions and groundings in these coastal waters.

Light & Optic

Characteristic Signature
F Red 6s
Flash Type
Fixed
Light Color
Red
Interval
6s
Raw Code
F.Fl R 6s
Focal Height
13m
Geographic Range
11.3NM

Construction & History

Year Built
1982

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.5m
Tower Shape
tripod
Tower Color
red
Material
concrete

Structure: A 9.5m concrete post rising from a square 1-story concrete equipment room, painted red.

Location

City
Kasaoka
Country
🇯🇵Japan
Region
Okayama Prefecture
Sea Region
End of the main breakwater of Manabe Shima
Latitude
34.3571°
Longitude
133.5796°

References & Identifiers

Nearest Port
Hakoura(6.0 km)
Admiralty No.
M5732.15
NGA No.
8284
ARLHS No.
JPN-1890
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Frequently Asked Questions

How do mariners identify Manabeshima Kō Lighthouse at night?+
Manabeshima Kō displays the characteristic F Red 6s. 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 Manabeshima Kō Lighthouse guide vessels into?+
Manabeshima Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Sanagi at 2.8 NM to the ESE. Other ports served include Awashima (6.1 NM SSE), Ohama, Ehime (7.6 NM S), Fukuyama, Kagoshima (8.6 NM WNW), Kuyama (8.6 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Manabeshima Kō Lighthouse still active and maintained?+
Yes, Manabeshima Kō 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 Manabeshima Kō Lighthouse?+
Manabeshima Kō 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 Manabeshima Kō Lighthouse?+
You can track vessels near Manabeshima Kō 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.