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Jungjukdo Lighthouse

Fl (2) White 5s🇰🇷Changwon-si, KROperational

Location & Light Range

About Jungjukdo Lighthouse

Also known as: Jungjukdo (Chungjukdo, Chungjuk To)

Jungjukdo Lighthouse stands on an isolated rock at the center of Jinhae harbor in South Korea. The octagonal tower, painted black with a single red horizontal band, measures 14 meters high. It emits a white flash every 5 seconds, visible for 11.6 nautical miles. This structure, featuring an hourglass shape with a gallery, is accessible by boat. The nearest port, Jinhae, is 1.3 kilometers away. While the site is open to visitors, the tower itself is closed.

Why it matters: This lighthouse is essential for safe navigation within the busy Jinhae harbor.

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
14m
Geographic Range
11.6NM

Location

City
Changwon-si
Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
Jinhae harbor, South Korea, on an isolated rock in the very center of the harbor
Latitude
35.1357°
Longitude
128.6823°

References & Identifiers

Nearest Port
Jinhae(1.3 km)
Admiralty No.
M4347.5
NGA No.
16802

Tower & Structure

Tower Height
14m
Tower Shape
octagonal
Tower Color
black with one red horizontal band

Structure: octagonal hourglass-shaped tower with gallery, painted black with one red 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 Jungjukdo Lighthouse at night?+
Jungjukdo 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 Jungjukdo Lighthouse guide vessels into?+
Jungjukdo Lighthouse assists vessels approaching 5 nearby ports. The closest is Jinhae at 0.6 NM to the S. Other ports served include Masan (5.2 NM WNW), Busan New Port (7.1 NM SE), Gohyeon/Geoje (14.1 NM SSW), Okpo/Geoje (14.9 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jungjukdo Lighthouse still active and maintained?+
Yes, Jungjukdo 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 Jungjukdo Lighthouse?+
Jungjukdo 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 Jungjukdo Lighthouse?+
You can track vessels near Jungjukdo 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.