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Seongsangpo Lighthouse

Fl G 4s🇰🇷Jeju (Cheju), KROperational

Location & Light Range

About Seongsangpo Lighthouse

Seongsangpo Lighthouse is a 17-meter green tower situated in Jeju. Its focal height matches the tower's elevation, also at 17 meters. The light emitted is green, with a geographic range extending 8 nautical miles. This navigational aid marks the coastal area of Seongsangpo.

Light & Optic

Characteristic Signature
Fl G 4s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Fl
Focal Height
17m
Geographic Range
8NM

Location

City
Jeju (Cheju)
Country
🇰🇷KR
Latitude
33.4783°
Longitude
126.9358°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
17m
Tower Color
green

References & Identifiers

Admiralty No.
M4272.3
NGA No.
17424
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Frequently Asked Questions

How do mariners identify Seongsangpo Lighthouse at night?+
Seongsangpo displays the characteristic Fl G 4s — 1 green flash every 4 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Seongsangpo Lighthouse guide vessels into?+
Seongsangpo Lighthouse assists vessels approaching 5 nearby ports. The closest is Seongsan-po at 0.4 NM to the SW. Other ports served include NAMWON (16.2 NM SW), Jeju (19.1 NM W), Kwangyang (20.2 NM W), Seogwipo (23.4 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Seongsangpo Lighthouse still active and maintained?+
Yes, Seongsangpo 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 Seongsangpo Lighthouse?+
You can track vessels near Seongsangpo 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.