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Sango Shima South Lighthouse

Fl White 3s🇯🇵Ofunato, JPOperational

Location & Light Range

About Sango Shima South Lighthouse

Also known as: Sangojima

A white cylindrical concrete tower stands 10 meters tall near Ofunato, marking the coastal waters around Sango Shima in Iwate Prefecture. The lighthouse emits a single white flash every three seconds, with its light visible up to 12.9 nautical miles. The site is open to visitors, offering views of the sea, but the tower itself is closed to the public. Built of concrete, the structure has a focal height of 19 meters. It serves the waters near Japan's coast, specifically in the region surrounding Sango Shima.

Why it matters: This lighthouse guides local mariners around Sango Shima, helping to mark safe channels and alert vessels to potential dangers in the surrounding Japanese waters.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
19m
Geographic Range
12.9NM

Location

City
Ofunato
Country
🇯🇵Japan
Region
Iwate Prefecture
Sea Region
coastal waters around Sango Shima (Sangojima) in Japan
Latitude
39.0351°
Longitude
141.7269°

References & Identifiers

Nearest Port
Ohfunato(1.3 km)
Admiralty No.
M6583.5
NGA No.
4188
ARLHS No.
JPN-1129

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical white concrete tower

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 Sango Shima South Lighthouse at night?+
Sango Shima South 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 Sango Shima South Lighthouse guide vessels into?+
Sango Shima South Lighthouse assists vessels approaching 5 nearby ports. The closest is Nojiri at 0.9 NM to the NNE. Other ports served include Hirota, Iwate (4.6 NM SW), Sakihama (7.4 NM ENE), Kesennuma (10.4 NM SW), En (11.7 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sango Shima South Lighthouse still active and maintained?+
Yes, Sango Shima South 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 Sango Shima South Lighthouse?+
Sango Shima South 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 Sango Shima South Lighthouse?+
You can track vessels near Sango Shima South 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.