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Mamako Se Lighthouse

Fl White 3s🇯🇵Shinkamigotō, JPOperational

Location & Light Range

About Mamako Se Lighthouse

This white, cylindrical concrete tower stands 9 meters tall on a reef at the entrance to Arikawa harbor. Its light is positioned 17 meters above sea level and emits a white flash every 3 seconds. The structure features a flared top and is connected to an equipment shelter. Located on the northeast coast of Nakadōri Shima, the lighthouse is situated 2.9 kilometers from the nearest port of Aokata. It became operational at an unspecified date and continues to guide vessels.

Why it matters: This lighthouse is essential for safe navigation into Arikawa harbor, marking the reef at its entrance and aiding local fishing fleets and coastal traffic.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
17m
Geographic Range
12.4NM

Location

City
Shinkamigotō
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
A reef in the entrance to Arikawa harbor, on the northeast coast of Nakadōri Shima.
Latitude
33.0014°
Longitude
129.1073°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round concrete tower with a flared top, attached to a small equipment shelter

References & Identifiers

Nearest Port
Aokata(2.9 km)
Admiralty No.
M5015
ARLHS No.
JPN-2219
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Frequently Asked Questions

How do mariners identify Mamako Se Lighthouse at night?+
Mamako Se 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 Mamako Se Lighthouse guide vessels into?+
Mamako Se Lighthouse assists vessels approaching 5 nearby ports. The closest is Aokata at 2.3 NM to the WSW. Other ports served include Arikawa (2.3 NM WSW), Enokizu (2.3 NM WSW), Kata (2.3 NM WSW), Kozera (2.3 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mamako Se Lighthouse still active and maintained?+
Yes, Mamako 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 Mamako Se Lighthouse?+
Mamako 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 Mamako Se Lighthouse?+
You can track vessels near Mamako 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.