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

Kii Oshima Kō East Breakwater Lighthouse

F Green 5s🇯🇵Kushimoto, JPOperational

Location & Light Range

About Kii Oshima Kō East Breakwater Lighthouse

This concrete lighthouse, built in 1983, stands at the eastern end of a breakwater at Kii Oshima, guiding vessels into the small boat harbor. The 8.5-meter post is covered in white tile and features a lantern on a square equipment shelter. Its focal height is 11 meters above sea level, emitting a single green flash every five seconds. The structure's geographic range is 10.7 nautical miles, providing a clear marker for approaching craft. While the tower is closed to visitors, the site is accessible, allowing views of the harbor approach.

Why it matters: This lighthouse is important for the local fishing fleet and recreational boaters, marking the end of the east breakwater to ensure safe entry into the Kii Oshima small boat harbor.

Light & Optic

Characteristic Signature
F Green 5s
Flash Type
Fixed
Light Color
Green
Interval
5s
Raw Code
F G Fl G 5s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Year Built
1983

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
white tile
Material
concrete

Structure: An 8.5m concrete post, covered with white tile, attached to a square 1-story concrete equipment shelter. It features a lantern at its focal plane of 11m.

Location

City
Kushimoto
Country
🇯🇵Japan
Region
Wakayama Prefecture
Sea Region
Located at the end of a breakwater at the small boat harbor of Kii Oshima.
Latitude
33.4753°
Longitude
135.8038°

References & Identifiers

Nearest Port
Ohshima, Wakayama(0.0 km)
Admiralty No.
M5997.2
NGA No.
6784
Live tracking · 50,000+ mariners

Find Kii Oshima Kō East Breakwater Lighthouse on the live nautical map

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

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Kii Oshima Kō East Breakwater Lighthouse at night?+
Kii Oshima Kō East Breakwater displays the characteristic F Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Kii Oshima Kō East Breakwater Lighthouse guide vessels into?+
Kii Oshima Kō East Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is KUSHIMOTO at 0.8 NM to the WSW. Other ports served include Fukuro (1.6 NM W), Sue (1.8 NM SE), Katsuura, Wakayama (11.5 NM NE), Shingu (14.8 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kii Oshima Kō East Breakwater Lighthouse still active and maintained?+
Yes, Kii Oshima Kō East Breakwater 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 Kii Oshima Kō East Breakwater Lighthouse?+
Kii Oshima Kō East Breakwater 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 Kii Oshima Kō East Breakwater Lighthouse?+
You can track vessels near Kii Oshima Kō East Breakwater 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.