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Sedaka Saki Lighthouse

Fl White 10s🇯🇵Kunigami, JPOperational

Location & Light Range

About Sedaka Saki Lighthouse

Also known as: Setake

Built in 1968, the Sedaka Saki Lighthouse is a 15-meter tall, cylindrical concrete tower. Located in Kunigami, Okinawa Prefecture, Japan, its light produces a white flash every 10 seconds. The geographic range of the light is 23.4 nautical miles. A 1-story concrete equipment building connects to the tower. The light's focal plane is 87 meters above sea level. Public access is permitted to the site, but the tower remains closed.

Why it matters: This lighthouse marks the Sedaka Saki headland, serving as a reference point for vessels navigating the waters of Okinawa Prefecture.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
87m
Geographic Range
23.4NM

Construction & History

Year Built
1968

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Material
concrete

Structure: square cylindrical concrete tower with lantern and gallery, attached to a 1-story concrete equipment building

Location

City
Kunigami
Country
🇯🇵Japan
Region
Okinawa Prefecture
Sea Region
Located on Sedaka (Setake) Saki in Japan, guiding coastal navigation.
Latitude
26.7494°
Longitude
128.3241°

References & Identifiers

Nearest Port
Shioya, Okinawa(12.8 km)
ARLHS No.
JPN-548
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Frequently Asked Questions

How do mariners identify Sedaka Saki Lighthouse at night?+
Sedaka Saki displays the characteristic Fl White 10s. 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 Sedaka Saki Lighthouse guide vessels into?+
Sedaka Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Kouri at 16.7 NM to the W. Other ports served include Unten (17.6 NM WSW), Nago (21.6 NM WSW), Kada (22.6 NM WNW), Nakada (22.6 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sedaka Saki Lighthouse still active and maintained?+
Yes, Sedaka Saki 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.
How can I track vessels near Sedaka Saki Lighthouse?+
You can track vessels near Sedaka Saki 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.