Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Muku Shima Lighthouse

Fl White 4s🇯🇵Karatsu, JPOperational

Location & Light Range

About Muku Shima Lighthouse

Also known as: Muku Shima (Hizen Mukushima)

This concrete lighthouse stands 12 meters tall on the southern heights of Muku Shima island. The structure consists of a cylindrical concrete post rising from a one-story concrete equipment building. Its light emits a white flash every 4 seconds from a focal height of 80 meters. Located approximately 3 kilometers offshore and 8 kilometers north of Miya Saki, it serves vessels navigating the Saga Prefecture waters. The nearest port, Hoshika, is 2.7 kilometers away.

Why it matters: This lighthouse is essential for marking Muku Shima island, a significant offshore feature that mariners must account for when navigating the coastal waters north of Miya Saki.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
80m
Geographic Range
22.6NM

Location

City
Karatsu
Country
🇯🇵Japan
Region
Saga Prefecture
Sea Region
An island about 3 km offshore and 8 km north of Miya Saki, located on heights above the south end of Muku Shima island.
Latitude
33.4921°
Longitude
129.7768°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: concrete post rising from a 1-story concrete equipment building

References & Identifiers

Nearest Port
Hoshika(2.7 km)
ARLHS No.
JPN-133
Live tracking · 50,000+ mariners

Find Muku Shima Lighthouse on the live nautical map

Plan voyages near Japan, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Muku Shima Lighthouse at night?+
Muku Shima displays the characteristic Fl White 4s. 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 Muku Shima Lighthouse guide vessels into?+
Muku Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Yobuko at 6.6 NM to the ENE. Other ports served include Tobo (7.9 NM E), Fukushima, Nagasaki (8.6 NM S), Karatsu (9.5 NM E), Tabira (12.7 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Muku Shima Lighthouse still active and maintained?+
Yes, Muku 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 Muku Shima Lighthouse?+
Muku 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 Muku Shima Lighthouse?+
You can track vessels near Muku 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.