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Kashira Shima Lighthouse

Fl White 3s🇯🇵Saikai, JPOperational

Location & Light Range

About Kashira Shima Lighthouse

Built in 1970, the Kashira Shima lighthouse is a 15-meter cylindrical concrete tower. It stands on a skerry located about 3 kilometers south of Seto harbor in Nagasaki Prefecture. The structure features a focal height of 19 meters, from which a white light emits a single flash every three seconds. This automated light has guided mariners since its initial operation in 1970. Its geographic range extends to 12.9 nautical miles, marking its presence in the sea region.

Why it matters: This lighthouse is essential for vessels navigating the waters near Seto harbor, assisting them in safely maneuvering around the skerry it marks.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
19m
Geographic Range
12.9NM

Construction & History

Year Built
1970

References & Identifiers

Nearest Port
Seto(1.6 km)
Admiralty No.
M5207.6
NGA No.
11856
ARLHS No.
JPN-2197

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round tapered concrete tower

Location

City
Saikai
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Located on a skerry about 3 km south of Seto harbor.
Latitude
32.9139°
Longitude
129.6380°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kashira Shima Lighthouse at night?+
Kashira 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 Kashira Shima Lighthouse guide vessels into?+
Kashira Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Seto at 1.2 NM to the NNW. Other ports served include Saikai (1.3 NM NNE), Matsuura, Nagasaki (2.2 NM WNW), Nanatsugama (2.2 NM WNW), Sakito (2.2 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kashira Shima Lighthouse still active and maintained?+
Yes, Kashira 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 Kashira Shima Lighthouse?+
Kashira 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 Kashira Shima Lighthouse?+
You can track vessels near Kashira 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.