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Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse

Fl Green 3s🇯🇵Minamichita, JPOperational

Located on the south breakwater of Shinoshima Port, this lighthouse emits a green flash every 3 seconds. With a focal height of 11 meters, its light has a geographic range of 10.7 nautical miles. The structure stands at the end of the port's southern arm, guiding vessels approaching and departing. While the breakwater site is accessible to the public, the lighthouse tower itself is closed. Its operational status confirms its continued role in aiding navigation.

Why it matters: This lighthouse clearly marks the entrance to Shinoshima Port, aiding local fishing fleets and other maritime traffic in safe passage.

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
11m
Geographic Range
10.7NM
City
Minamichita
Country
🇯🇵Japan
Region
Aichi Prefecture
Sea Region
Located on the south breakwater of Shinoshima Kō (Shinoshima Port) in Japan.
Latitude
34.6782°
Longitude
136.9987°
Nearest Port
Shinojima(0.4 km)

Structure: The Shinoshima Kō South Breakwater lighthouse guides vessels into the bustling Shinoshima Port, nestled within the waters of Japan. Perched at the very end of the southern protective arm, its green light cuts through the twilight, a steady presence for local fishing boats and other maritime traffic navigating the approach. The surrounding waters are often dotted with small craft, their nets drying in the sun, while the distant shore might reveal the gentle slopes of an island community, perhaps with homes clinging to the hillsides. Though its specific construction history remains largely unrecorded, its purpose has always been clear: to ensure safe passage for those entering and leaving the harbor, especially during the darker hours or in less favorable weather. Today, the lighthouse remains an active aid to navigation, its light continuing to shine reliably. While visitors can walk along the breakwater to appreciate its setting and the views of the port, feeling the sea breeze, the tower itself is not open for public ascent, preserving its operational integrity for the mariners who depend on it daily.

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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How do mariners identify Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse at night?+
Shinoshima (Shinojima, Sinosima) Kō South Breakwater displays the characteristic Fl Green 3s. 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 Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse guide vessels into?+
Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Morozaki at 1.8 NM to the NW. Other ports served include Toyohama, Aichi (3.5 NM WNW), Fukue, Aichi (5.9 NM ESE), Kowa (6.4 NM NW), Utsumi, Aichi (7.4 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse still active and maintained?+
Yes, Shinoshima (Shinojima, Sinosima) Kō South 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 Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse?+
Shinoshima (Shinojima, Sinosima) Kō South 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 Shinoshima (Shinojima, Sinosima) Kō South Breakwater Lighthouse?+
You can track vessels near Shinoshima (Shinojima, Sinosima) Kō South 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.