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Naedo Lighthouse

Fl (9) White 15s🇰🇷Jido-eup, KROperational

Location & Light Range

About Naedo Lighthouse

This cylindrical concrete lighthouse stands 5 meters tall and is situated on a reef within the channel between Saokdo and Jido islands in South Korea. The tower is painted yellow and features a single black horizontal band. Its light emits one white flash every 15 seconds, with a geographic range of 8.4 nautical miles. The site is accessible by boat and open to the public, though the tower itself is closed to visitors. The nearest port is Mokpo, located 16 kilometers away.

Why it matters: The lighthouse's position on a reef addresses a specific navigational hazard, ensuring safe passage for vessels transiting the channel between Saokdo and Jido.

Light & Optic

Characteristic Signature
Fl (9) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
9 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
5m
Geographic Range
8.4NM

Location

City
Jido-eup
Country
🇰🇷South Korea
Region
South Jeolla
Sea Region
channel between Saokdo and Jido, South Korea
Latitude
35.0207°
Longitude
126.2061°

References & Identifiers

Nearest Port
Mokpo(16.0 km)
Admiralty No.
M4210.5
NGA No.
17713

Tower & Structure

Tower Height
5m
Tower Shape
cylindrical
Tower Color
yellow with one black horizontal band
Material
concrete

Structure: round concrete tower painted yellow with one black horizontal band

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 Naedo Lighthouse at night?+
Naedo displays the characteristic Fl (9) White 15s — 9 white flashes every 15 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 Naedo Lighthouse guide vessels into?+
Naedo Lighthouse assists vessels approaching 5 nearby ports. The closest is Songgong at 11.3 NM to the S. Other ports served include Mokpo (17 NM SSE), Daebul/Yeongam-gun (19.7 NM SE), Sangwangdeungdo (38 NM N), Daeheuksando (43.1 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Naedo Lighthouse still active and maintained?+
Yes, Naedo 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 Naedo Lighthouse?+
You can track vessels near Naedo 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.