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Nangdo Lighthouse

Fl White 6s🇰🇷KROperational

Location & Light Range

About Nangdo Lighthouse

Also known as: Nangdo (Saengildo)

The Nangdo Lighthouse stands on a small islet off the east end of Saengildo in South Korea's South Jeolla region. This cylindrical, white concrete tower, standing 9 meters tall, supports a light with a focal height of 43 meters. It emits a single white flash every 6 seconds, visible for nearly 18 nautical miles. The lighthouse is situated on an elevated natural platform, accessible only by boat. While visitors can access the site, the tower itself is closed to the public.

Why it matters: This light marks the hazard of Nangdo islet for vessels navigating the waters east of Saengildo, helping to define safe routes in the area.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
43m
Geographic Range
17.6NM

Location

Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
Nangdo, an islet off the east end of Saengildo
Latitude
34.3205°
Longitude
127.0187°

References & Identifiers

Nearest Port
Wando(13.2 km)
Admiralty No.
M4281.55
NGA No.
17302.5
USCG No.
KR-2561.3

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round 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 Nangdo Lighthouse at night?+
Nangdo displays the characteristic Fl 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 Nangdo Lighthouse guide vessels into?+
Nangdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Shinma at 10.8 NM to the NW. Other ports served include Narodo (12.1 NM ENE), Wando-gun (12.7 NM W), Nokdongsin (13.1 NM NNE), Hwahungpo (17.5 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nangdo Lighthouse still active and maintained?+
Yes, Nangdo 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 Nangdo Lighthouse?+
Nangdo 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 Nangdo Lighthouse?+
You can track vessels near Nangdo 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.