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

Shūno Saki Lighthouse

Fl Green 6s🇯🇵Imabari, JPOperational

Location & Light Range

About Shūno Saki Lighthouse

Shūno Saki Lighthouse, established in 2011, is a 9.5-meter-high, round, cylindrical concrete tower painted white. Its light is situated 64 meters above sea level and emits a green flash every 6 seconds (Fl G 6s), with a geographic range of 20.6 nautical miles. The structure is located on the northern point of Uma Shima, near Imabari, and is 0.7 kilometers from the Kurushima port. While the grounds are accessible, the tower remains closed to the public.

Why it matters: This lighthouse indicates the northern limit of Uma Shima and serves as a navigation aid for ships in the vicinity.

Light & Optic

Characteristic Signature
Fl Green 6s
Flash Type
Flashing
Light Color
Green
Interval
6s
Raw Code
Fl G 6s
Focal Height
64m
Geographic Range
20.6NM

Construction & History

Year Built
2011

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical white concrete tower

Location

City
Imabari
Country
🇯🇵Japan
Region
Ehime Prefecture
Sea Region
northern tip of Uma Shima
Latitude
34.1217°
Longitude
132.9926°

References & Identifiers

Nearest Port
Kurushima(0.7 km)
Admiralty No.
M5459.
ARLHS No.
JPN-392
Live tracking · 50,000+ mariners

Find Shūno Saki 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 Shūno Saki Lighthouse at night?+
Shūno Saki displays the characteristic Fl Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Shūno Saki Lighthouse guide vessels into?+
Shūno Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Hashihama at 1.2 NM to the WSW. Other ports served include Namikata (1.9 NM W), Yoshiumi (3.1 NM NE), Imabari (3.7 NM SSE), Okamura (6.4 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shūno Saki Lighthouse still active and maintained?+
Yes, Shūno Saki 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 Shūno Saki Lighthouse?+
Shūno Saki 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 Shūno Saki Lighthouse?+
You can track vessels near Shūno Saki 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.