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Dochinyeo Lighthouse

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

Location & Light Range

About Dochinyeo Lighthouse

Also known as: Dochinyeo (Che Roe Channel Reef)

Dochinyeo Lighthouse is a metal, cylindrical tower standing 12 meters tall, with its focal plane at 10 meters above sea level. Painted black with a single red horizontal band, it guides vessels with a white light that flashes once every 5 seconds. This structure is located on the east side of the entrance to Jinhae harbor in South Korea's South Gyeongsang region. Its geographic range extends to 10.4 nautical miles. The site is accessible by boat, though the tower itself is closed to the public.

Why it matters: This lighthouse is essential for marking the eastern approach to Jinhae harbor and warning vessels of a reef.

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
10m
Geographic Range
10.4NM

Location

City
Changwon-si
Country
🇰🇷South Korea
Region
South Gyeongsang
Sea Region
east side of the entrance to the harbor of Jinhae, about 1.2 km west of the Chorido light, South Korea
Latitude
35.0757°
Longitude
128.6724°

References & Identifiers

Nearest Port
Jinhae(2.5 km)
Admiralty No.
M4343
NGA No.
16808

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
black with one red horizontal band
Material
metal

Structure: round 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 Dochinyeo Lighthouse at night?+
Dochinyeo 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 Dochinyeo Lighthouse guide vessels into?+
Dochinyeo Lighthouse assists vessels approaching 5 nearby ports. The closest is Jinhae at 3.1 NM to the N. Other ports served include Busan New Port (6.3 NM E), Masan (7.4 NM NNW), Gohyeon/Geoje (10.7 NM SSW), Okpo/Geoje (11.4 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Dochinyeo Lighthouse still active and maintained?+
Yes, Dochinyeo 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 Dochinyeo Lighthouse?+
Dochinyeo 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 Dochinyeo Lighthouse?+
You can track vessels near Dochinyeo 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.