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Iwai Misaki Lighthouse

F White 6s🇯🇵Shima, JPOperational

Location & Light Range

About Iwai Misaki Lighthouse

This white concrete cylindrical tower stands 18 meters tall on the southwesternmost tip of the Goza peninsula, near Shima in Mie Prefecture. Its focal height reaches 37 meters above sea level, casting a white light visible for 16.6 nautical miles. The structure features three galleries connected by external ladders. The site is open to the public, allowing visitors to view the tower, but the tower itself remains closed. The lighthouse is located 2.3 kilometers from the nearest port, Hamajima.

Why it matters: The lighthouse is important for navigating the complex waters around the Goza peninsula, especially for vessels entering or leaving Ago Bay, helping them avoid hazards on the peninsula's southwestern tip.

Light & Optic

Characteristic Signature
F White 6s
Flash Type
Fixed
Light Color
White
Interval
6s
Raw Code
F W
Focal Height
37m
Geographic Range
16.6NM

Location

City
Shima
Country
🇯🇵Japan
Region
Mie Prefecture
Sea Region
southwesternmost tip of the hook-shaped Goza peninsula, which shelters Ago Bay.
Latitude
34.2610°
Longitude
136.7658°

References & Identifiers

Nearest Port
Hamajima(2.3 km)
Admiralty No.
M6033.46
NGA No.
6416
USCG No.
JCG-2793

Tower & Structure

Tower Height
18m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower with three galleries connected by external ladders

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 Iwai Misaki Lighthouse at night?+
Iwai Misaki displays the characteristic F White 6s. 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 Iwai Misaki Lighthouse guide vessels into?+
Iwai Misaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Hamajima at 2.4 NM to the NNW. Other ports served include Gokasho (6.2 NM NW), Matoya (8.9 NM NE), Yoshizu (12.9 NM W), Toba (13.9 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Iwai Misaki Lighthouse still active and maintained?+
Yes, Iwai Misaki 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 Iwai Misaki Lighthouse?+
Iwai Misaki 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 Iwai Misaki Lighthouse?+
You can track vessels near Iwai Misaki 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.