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Saigō Misaki Lighthouse

Fl (2) White 30s🇯🇵Okinoshima, JPOperational

Location & Light Range

About Saigō Misaki Lighthouse

Also known as: Saigō Misaki (Shiro Saki)

This white, cylindrical concrete lighthouse was built in 1921 and first lit the same year. It stands 11 meters tall, with its light positioned 109 meters above sea level. The structure comprises a square concrete tower with a lantern and gallery, centered on a one-story concrete keeper's house. Its light emits a single white flash every 30 seconds, visible for approximately 26 nautical miles. Located at the southeastern tip of Dōgo, the largest of the Oki Islands, it is near the port of Okinokojima.

Why it matters: This lighthouse is important for marking the southeastern point of Dōgo Island. It was the only lighthouse in the Oki Islands archipelago until after 1950, making it historically significant for regional maritime safety.

Light & Optic

Characteristic Signature
Fl (2) White 30s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
30s
Raw Code
Fl W 30s
Focal Height
109m
Geographic Range
25.8NM

Construction & History

Year Built
1921

References & Identifiers

Nearest Port
Okinokojima(1.9 km)
Admiralty No.
M7320
NGA No.
2064
ARLHS No.
JPN-524

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: square cylindrical concrete tower with lantern and gallery, centered on a 1-story concrete keeper's house

Location

City
Okinoshima
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
southeastern tip of Dōgo, Oki Islands
Latitude
36.1713°
Longitude
133.3396°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Saigō Misaki Lighthouse at night?+
Saigō Misaki displays the characteristic Fl (2) White 30s — 2 white flashes every 30 seconds. 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 Saigō Misaki Lighthouse guide vessels into?+
Saigō Misaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Oki at 2.3 NM to the N. Other ports served include Chichii (12.2 NM WSW), Ama, Hyogo (12.8 NM WSW), Minami (13.1 NM WSW), Nakanoshima (13.4 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Saigō Misaki Lighthouse still active and maintained?+
Yes, Saigō Misaki 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 Saigō Misaki Lighthouse?+
Saigō Misaki 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 Saigō Misaki Lighthouse?+
You can track vessels near Saigō Misaki 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.