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Uji Islands Lighthouse

Fl White 3s🇯🇵Minamisatsuma, JPOperational

Location & Light Range

About Uji Islands Lighthouse

Also known as: Uji Islands (Uji Ie Shima)

A round concrete tower stands 9.5 meters tall on the easternmost island of the Uji group, Ie Shima. Its white cylindrical structure features a gallery, and the light is positioned 103 meters above sea level. The lighthouse emits a single white flash every 3 seconds, visible for over 25 nautical miles. The site is accessible to the public, though the tower itself is closed. Located roughly 80 km southwest of Noma Misaki, the lighthouse guides vessels in this archipelago.

Why it matters: This lighthouse is essential for safe passage through the Uji Islands, aiding navigation between Noma Misaki and the Gotō Islands.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
103m
Geographic Range
25.2NM

Location

City
Minamisatsuma
Country
🇯🇵Japan
Region
Kagoshima Prefecture
Sea Region
The Uji Islands are a small group located about 80 km southwest of Noma Misaki and a similar distance south of the Gotō Islands. It is located on the highest point of Ie Shima, the easternmost of the islands.
Latitude
31.2027°
Longitude
129.4752°

References & Identifiers

Nearest Port
Makurazaki(41.8 km)
Admiralty No.
M4805
ARLHS No.
JPN-2037

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round concrete tower with 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 Uji Islands Lighthouse at night?+
Uji Islands 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 Uji Islands Lighthouse guide vessels into?+
Uji Islands Lighthouse assists vessels approaching 5 nearby ports. The closest is Teuchi at 28.5 NM to the NNE. Other ports served include Katadomari (31.6 NM SE), Sato (33.1 NM SE), Nomaike (36.1 NM ENE), Hirasaki (38.5 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Uji Islands Lighthouse still active and maintained?+
Yes, Uji Islands 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 Uji Islands Lighthouse?+
Uji Islands 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 Uji Islands Lighthouse?+
You can track vessels near Uji Islands 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.