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Motoga Hana Lighthouse

F White🇯🇵Saiki, JPOperational

Location & Light Range

About Motoga Hana Lighthouse

Motoga Hana lighthouse stands on the eastern tip of Onyu Shima, an island located off the north side of Saiki harbor. This square concrete tower, standing 8 meters tall, features a lantern room and gallery. Its continuous white light shines through a square window. The lighthouse's location on a densely vegetated island requires local knowledge to find. The site is open to the public, but the tower itself remains closed.

Why it matters: The lighthouse illuminates a nearby reef, providing a critical visual aid for vessels navigating the waters around Onyu Shima and entering Saiki harbor.

Light & Optic

Characteristic Signature
F White
Flash Type
Fixed
Light Color
White
Raw Code
F W

Location

City
Saiki
Country
🇯🇵Japan
Region
Oita Prefecture
Sea Region
eastern tip of Onyu Shima, an island just off the coast on the north side of Saiki harbor.
Latitude
32.9960°
Longitude
131.9433°

References & Identifiers

Nearest Port
Hyugadomari(1.0 km)
Admiralty No.
M4918.5.

Tower & Structure

Tower Height
8m
Tower Shape
square
Material
concrete

Structure: square concrete tower with lantern room and gallery; the light is shown through a square window and illuminates a nearby reef

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 Motoga Hana Lighthouse at night?+
Motoga Hana displays the characteristic F White. 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 Motoga Hana Lighthouse guide vessels into?+
Motoga Hana Lighthouse assists vessels approaching 5 nearby ports. The closest is Saiki at 1.7 NM to the SW. Other ports served include Urashiro (1.8 NM SSW), Tsukumi (6.4 NM NW), Usuki (10.3 NM NW), Kamae (11.9 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Motoga Hana Lighthouse still active and maintained?+
Yes, Motoga Hana 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 Motoga Hana Lighthouse?+
Motoga Hana 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 Motoga Hana Lighthouse?+
You can track vessels near Motoga Hana 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.