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Sakitsu Ura Lighthouse

Iso White 6s🇯🇵Amakusa, JPOperational

Location & Light Range

About Sakitsu Ura Lighthouse

Also known as: Sakitsu Ura (Sakitsu Kō)

This 9.5-meter white concrete cylindrical tower was built in 1970 on the north side of Sakitsu Sound. It stands on a 1-story concrete equipment room and emits an isophase white light every 6 seconds from a focal height of 24 meters. The lighthouse is located on the west side of Shimo Shima, marking the entrance to a fjord-like bay near Amakusa. Its geographic range covers 14.1 nautical miles, guiding vessels through this intricate coastal passage. The nearest port, Sakitsu, is situated just 0.1 kilometers away.

Why it matters: This lighthouse is important for local fishing vessels and other small craft navigating the fjord-like Sakitsu Sound, providing a reliable aid to avoid potential hazards within the bay.

Light & Optic

Characteristic Signature
Iso White 6s
Flash Type
Isophase
Light Color
White
Interval
6s
Raw Code
Iso W 6s
Focal Height
24m
Geographic Range
14.1NM

Construction & History

Year Built
1970

References & Identifiers

Nearest Port
Sakitsu(0.1 km)
Admiralty No.
M5143.8
NGA No.
11416
ARLHS No.
JPN-017

Tower & Structure

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

Structure: A 9.5m concrete post rising from a 1-story concrete equipment room, painted white.

Location

City
Amakusa
Country
🇯🇵Japan
Region
Kumamoto Prefecture
Sea Region
north side of Sakitsu Sound, a fjord-like bay on the west side of Shimo Shima
Latitude
32.3072°
Longitude
130.0271°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sakitsu Ura Lighthouse at night?+
Sakitsu Ura displays the characteristic Iso 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 Sakitsu Ura Lighthouse guide vessels into?+
Sakitsu Ura Lighthouse assists vessels approaching 5 nearby ports. The closest is Sakitsu at 0.3 NM to the N. Other ports served include Oniki (4.2 NM SSW), Takahama/Amakusa (4.7 NM NNW), Fukami (4.8 NM SE), Kamihira (5.6 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sakitsu Ura Lighthouse still active and maintained?+
Yes, Sakitsu Ura 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 Sakitsu Ura Lighthouse?+
Sakitsu Ura 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 Sakitsu Ura Lighthouse?+
You can track vessels near Sakitsu Ura 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.