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Saengdo Lighthouse

Fl (2) White 5s🇰🇷Busan, KROperational

Location & Light Range

About Saengdo Lighthouse

Also known as: Saengdo (Sangdo)

This concrete lighthouse stands 24 meters tall with a focal height of 57 meters. Its cylindrical tower is painted black and features a single red horizontal band. The light emits two white flashes every 5 seconds, visible for nearly 20 nautical miles. It is situated on a small island located about 2 kilometers south of the Yeongdo lighthouse, with the nearest port being Busan, 3.7 kilometers away. Access to the site is restricted to boat only.

Why it matters: The lighthouse aids navigation south of Yeongdo, a busy maritime area. Its distinct light pattern serves as a unique identifier for vessels.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
57m
Geographic Range
19.7NM

Location

City
Busan
Country
🇰🇷South Korea
Sea Region
small island about 2 km south of the Yeongdo lighthouse
Latitude
35.0524°
Longitude
129.0917°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
24m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
concrete

Structure: round concrete tower, painted black with one red horizontal band

References & Identifiers

Nearest Port
Busan(3.7 km)
Admiralty No.
M4355.9
NGA No.
16727.8
USCG No.
KR-2050
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Frequently Asked Questions

How do mariners identify Saengdo Lighthouse at night?+
Saengdo displays the characteristic Fl (2) White 5s — 2 white flashes every 5 seconds. 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 Saengdo Lighthouse guide vessels into?+
Saengdo Lighthouse assists vessels approaching 5 nearby ports. The closest is South Busan at 3.4 NM to the ENE. Other ports served include Busan (4 NM NW), Gamcheon/Busan (4.9 NM WNW), Busanjin-Gu (6.2 NM NNW), Busan New Port (14.4 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Saengdo Lighthouse still active and maintained?+
Yes, Saengdo 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 Saengdo Lighthouse?+
Saengdo 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 Saengdo Lighthouse?+
You can track vessels near Saengdo 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.