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Lý Sơn Lighthouse

Fl White 5s🇻🇳VNOperational

Location & Light Range

About Lý Sơn Lighthouse

Also known as: Lý Sơn (Cù Lao Ré)

First lit in 1900, the Lý Sơn lighthouse is a 45-meter tall, cylindrical concrete tower painted white. Located on Lý Sơn island, off Vietnam's northeast coast in Quảng Ngãi Province, the structure has two galleries, four ribs, and four buttresses at its base. Its light is positioned at a focal height of 50 meters and emits a white flash every 5 seconds. The geographic range is 18.7 nautical miles. It is situated near Mũi Ba Làng An and is 20.9 kilometers from Dung Quat port.

Why it matters: This lighthouse serves as the tallest in Vietnam and marks the northeastern boundary of Lý Sơn Island, providing a reference for ships in the waters off the Vietnamese coast.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
50m
Geographic Range
18.7NM

Construction & History

First Lit
1900

References & Identifiers

Nearest Port
Dung Quat(20.9 km)
Admiralty No.
F3184
NGA No.
20320
ARLHS No.
VIE-013
Wikidata
Q78341175 →

Tower & Structure

Tower Height
45m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower with two galleries, four ribs, and four buttresses near the base

Location

Country
🇻🇳Vietnam
Region
Quảng Ngãi Province
Sea Region
Lý Sơn island, off Mũi Ba Làng An (Cap Batangan), northeast of Quảng Ngãi, Vietnam
Latitude
15.3865°
Longitude
109.1419°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Lý Sơn Lighthouse at night?+
Lý Sơn displays the characteristic Fl White 5s. 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 Lý Sơn Lighthouse guide vessels into?+
Lý Sơn Lighthouse assists vessels approaching 5 nearby ports. The closest is Dung Quat at 20.6 NM to the W. Other ports served include Ky Ha Quang Nam Terminal (27 NM W), Ky Ha Terminal (27.2 NM WNW), Thuan An (28.3 NM WNW), Chu Lai (30.2 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lý Sơn Lighthouse still active and maintained?+
Yes, Lý Sơn 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 Lý Sơn Lighthouse?+
You can track vessels near Lý Sơn 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.