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Sa Shima Lighthouse

Fl White 3s🇯🇵Yawatahama, JPOperational

Location & Light Range

About Sa Shima Lighthouse

Located on an island approximately 8 kilometers west-southwest of Yawatahama, the Sa Shima lighthouse is a white, cylindrical concrete tower standing 9 meters tall. Its light is positioned at a focal height of 58 meters, emitting a white flash every 3 seconds. The structure consists of the round concrete tower attached to a single-story concrete equipment building. While the lighthouse grounds are accessible to the public, the tower itself is closed to visitors. The nearest port, Kawanazu, is 2.1 kilometers away.

Why it matters: This lighthouse provides a consistent white flash, aiding vessels in pinpointing their location and ensuring safe passage around the island in this active shipping area.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
58m
Geographic Range
19.8NM

Location

City
Yawatahama
Country
🇯🇵Japan
Region
Ehime Prefecture
Sea Region
An island about 8 km west southwest of Yawatahama.
Latitude
33.4394°
Longitude
132.3613°

References & Identifiers

Nearest Port
Kawanazu(2.1 km)
Admiralty No.
M5623
ARLHS No.
JPN-2415

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round concrete tower attached to a 1-story concrete equipment building

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sa Shima Lighthouse at night?+
Sa Shima displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Sa Shima Lighthouse guide vessels into?+
Sa Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Kawanoishi at 2.4 NM to the NE. Other ports served include Ikata (2.6 NM N), Mikame (2.8 NM ENE), Yawatahama (2.9 NM ENE), MITSUKE (5.7 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sa Shima Lighthouse still active and maintained?+
Yes, Sa 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 Sa Shima Lighthouse?+
Sa 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 Sa Shima Lighthouse?+
You can track vessels near Sa 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.