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Tanega Shima Lighthouse

Fl White 3s🇯🇵Iki, JPOperational

Location & Light Range

About Tanega Shima Lighthouse

This octagonal stone lighthouse stands 10 meters tall on an unnamed island off the northwestern coast of Iki Shima. Its lantern and gallery sit atop the structure. The light emits a single white flash every 3 seconds, visible for 13.6 nautical miles. The site is open to visitors, but the tower itself is closed. The nearest port is Yobuko, 20.9 kilometers away.

Why it matters: The lighthouse marks the northern extremity of an island near Iki Shima, guiding local fishing boats and maritime traffic safely past this coastal feature.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
22m
Geographic Range
13.6NM

Location

City
Iki
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Located at the north end of an island just off the northwestern coast of Iki Shima.
Latitude
33.8332°
Longitude
129.6585°

References & Identifiers

Nearest Port
Yobuko(20.9 km)
Admiralty No.
M5259.38
NGA No.
12636
ARLHS No.
JPN-737

Tower & Structure

Tower Height
10m
Tower Shape
octagonal
Tower Color
white
Material
stone

Structure: octagonal stone tower with lantern and gallery

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 Tanega Shima Lighthouse at night?+
Tanega 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 Tanega Shima Lighthouse guide vessels into?+
Tanega Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Katsumoto at 2.2 NM to the NE. Other ports served include Ashibe (5.1 NM ESE), Yobuko (21 NM SE), Tobo (25.1 NM SSE), Karatsu (26 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tanega Shima Lighthouse still active and maintained?+
Yes, Tanega 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 Tanega Shima Lighthouse?+
Tanega 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 Tanega Shima Lighthouse?+
You can track vessels near Tanega 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.