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Mi Saki Lighthouse

Fl White 4s🇯🇵Okinoshima, JPOperational

Location & Light Range

About Mi Saki Lighthouse

Also known as: Mi Saki (Fukuura Saki)

Mi Saki Lighthouse was first lit in 1971 on a promontory at the southern entrance to Goka harbor, located on the northwest coast of Dōgo island in Japan's Shimane Prefecture. The lighthouse features a white, cylindrical concrete tower that is 10 meters tall, with its light positioned 60 meters above sea level. It emits a single white flash every 4 seconds and has a geographic range of 20.1 nautical miles. The site is open to the public, though the tower itself is closed. Access to the lighthouse involves a scenic hike.

Why it matters: The lighthouse is significant for guiding vessels entering and exiting Goka harbor, and its distinctive hourglass-shaped concrete tower serves as a regional architectural landmark.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
60m
Geographic Range
20.1NM

Construction & History

Year Built
1971

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round hourglass-shaped concrete tower

Location

City
Okinoshima
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
Located on a promontory on the south side of the entrance to the harbor of Goka, on the northwest coast of Dōgo, Japan.
Latitude
36.2880°
Longitude
133.1794°

References & Identifiers

Nearest Port
Okinokojima(9.2 km)
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Frequently Asked Questions

How do mariners identify Mi Saki Lighthouse at night?+
Mi Saki displays the characteristic Fl White 4s. 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 Mi Saki Lighthouse guide vessels into?+
Mi Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Oki at 9 NM to the ESE. Other ports served include Ama, Hyogo (12 NM SSW), Nakanoshima (12.1 NM SSW), Beppu, Shimane (12.6 NM SSW), Chichii (13 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mi Saki Lighthouse still active and maintained?+
Yes, Mi 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 Mi Saki Lighthouse?+
Mi 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 Mi Saki Lighthouse?+
You can track vessels near Mi 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.