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Machiami Saki Lighthouse

Fl White 3s🇯🇵Setouchi, JPOperational

Location & Light Range

About Machiami Saki Lighthouse

Machiami Saki lighthouse, built in 1988, is a 9-meter hexagonal concrete post atop a single-story hexagonal equipment room. The entire structure is painted white. It stands on a promontory at the northeastern corner of Kakeroma Shima in Kagoshima Prefecture, Japan. The lighthouse emits a single white flash every three seconds. Its focal height reaches 18 meters, providing a geographic range of 12.7 nautical miles. The site is open to visitors, though the tower itself is closed.

Why it matters: This lighthouse is important for vessels navigating around Kakeroma Shima, warning them of the northeastern promontory. Its unique hexagonal design also sets it apart architecturally.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
18m
Geographic Range
12.7NM

Construction & History

Year Built
1988

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
9m
Tower Shape
hexagonal
Tower Color
white
Material
concrete

Structure: A 9m hexagonal post rises from a 1-story hexagonal concrete equipment room. The entire lighthouse is white.

Location

City
Setouchi
Country
🇯🇵Japan
Region
Kagoshima Prefecture
Sea Region
tip of a promontory at the northeastern corner of Kakeroma Shima
Latitude
28.1184°
Longitude
129.3427°

References & Identifiers

Nearest Port
Koniya(2.2 km)
ARLHS No.
JPN-2571
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Frequently Asked Questions

How do mariners identify Machiami Saki Lighthouse at night?+
Machiami Saki 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 Machiami Saki Lighthouse guide vessels into?+
Machiami Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Koniya at 2.4 NM to the NW. Other ports served include Kakeroma (5.2 NM W), Shinokawa (6.7 NM NNW), Ejima (7.7 NM SW), Ukejima (7.7 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Machiami Saki Lighthouse still active and maintained?+
Yes, Machiami Saki 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.
How can I track vessels near Machiami Saki Lighthouse?+
You can track vessels near Machiami Saki 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.