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Hutaomote Shima Lighthouse

Fl White 3s🇯🇵Tadotsu, JPOperational

Location & Light Range

About Hutaomote Shima Lighthouse

Also known as: Futaomote

Established in 1938, the Hutaomote Shima Lighthouse is a cylindrical concrete tower standing 10 meters tall. It features a flared top and a gallery, with an attached 1-story concrete equipment room. The light is situated 30 meters above sea level and emits a single white flash every 3 seconds. This navigational aid has a geographic range of 15.3 nautical miles. The site is open to the public, but the tower itself is closed. The nearest port is Awashima, located 2.1 kilometers away.

Why it matters: This lighthouse provides guidance for local shipping and fishing vessels navigating the waters around Hutaomote Island.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
30m
Geographic Range
15.3NM

Construction & History

Year Built
1938

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Material
concrete

Structure: round concrete tower with flared top and gallery, attached to a 1-story concrete equipment room

Location

City
Tadotsu
Country
🇯🇵Japan
Region
Kagawa Prefecture
Sea Region
Hutaomote (Futaomote) Shima, Japan
Latitude
34.3014°
Longitude
133.6219°

References & Identifiers

Nearest Port
Awashima(2.1 km)
Admiralty No.
M5502
NGA No.
8252
ARLHS No.
JPN-2462
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Frequently Asked Questions

How do mariners identify Hutaomote Shima Lighthouse at night?+
Hutaomote 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 Hutaomote Shima Lighthouse guide vessels into?+
Hutaomote Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Sanagi at 2.1 NM to the N. Other ports served include Awashima (2.2 NM SSE), Ohama, Ehime (4.2 NM S), Takuma (4.9 NM SSE), Nio (6.1 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hutaomote Shima Lighthouse still active and maintained?+
Yes, Hutaomote 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 Hutaomote Shima Lighthouse?+
Hutaomote 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 Hutaomote Shima Lighthouse?+
You can track vessels near Hutaomote 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.