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Tōdai Se Lighthouse

Fl (2) White 5s🇯🇵Itoshima, JPOperational

Location & Light Range

About Tōdai Se Lighthouse

Also known as: Tōdai Se (Lighthouse Rock)

The Tōdai Se lighthouse stands on a reef roughly 4 kilometers northeast of the Mount Hikosan promontory. Constructed of concrete, the 12-meter tower rises from a square, single-story equipment shelter. Its exterior is painted black with a single red horizontal band. The light emits one white flash every 5 seconds, visible for over 11 nautical miles. The site is open to visitors, but the tower itself is closed. This navigational aid is located about 10.4 kilometers from the nearest port, Kashikojima.

Why it matters: This lighthouse warns vessels away from the reef it occupies, ensuring safe passage for local fishing boats and coastal traffic operating near the Mount Hikosan promontory.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
13m
Geographic Range
11.3NM

Location

City
Itoshima
Country
🇯🇵Japan
Region
Fukuoka Prefecture
Sea Region
on a reef about 4 km (2.5 mi) northeast of the Mount Hikosan promontory.
Latitude
33.6567°
Longitude
130.1200°

References & Identifiers

Nearest Port
Kashikojima(10.4 km)
Admiralty No.
M5270
NGA No.
12304

Tower & Structure

Tower Height
12m
Tower Shape
round
Tower Color
black with a red horizontal band
Material
concrete

Structure: A 12m concrete post rising from a square 1-story concrete equipment shelter, mounted on a concrete pier. It is painted black with a red horizontal band.

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 Tōdai Se Lighthouse at night?+
Tōdai Se displays the characteristic Fl (2) White 5s — 2 white flashes every 5 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 Tōdai Se Lighthouse guide vessels into?+
Tōdai Se Lighthouse assists vessels approaching 5 nearby ports. The closest is Kafuri at 6.5 NM to the SSE. Other ports served include Hakata (12.2 NM E), Hakata/Fukuoka (12.9 NM E), Karatsu (12.9 NM SW), Yobuko (13.3 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tōdai Se Lighthouse still active and maintained?+
Yes, Tōdai Se 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 Tōdai Se Lighthouse?+
Tōdai Se 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 Tōdai Se Lighthouse?+
You can track vessels near Tōdai Se 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.