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Ko Lanta Lighthouse

Fl White 15s🇹🇭THOperational

Location & Light Range

About Ko Lanta Lighthouse

Also known as: Ko Lanta (Ko Lanta Yai)

Ko Lanta Lighthouse is a cylindrical concrete tower standing 15 meters high. It is situated on the southernmost tip of Ko Lanta Yai, overlooking the Andaman Sea. The structure features a round concrete tower with a gallery. Its light emits a white flash every 15 seconds. The lighthouse is operational, serving vessels navigating the busy shipping lanes of the region. While the site is open to the public, the tower itself is closed to visitors.

Why it matters: This lighthouse warns ships about the rocky headland at the southern end of Ko Lanta Yai. Its distinct light characteristic helps identify vessels on routes connecting to the port of Kantang.

Light & Optic

Characteristic Signature
Fl White 15s
Flash Type
Flashing
Light Color
White
Interval
15s
Raw Code
Fl W 15s

Location

Country
🇹🇭Thailand
Region
Krabi Province
Latitude
7.4683°
Longitude
99.0981°

References & Identifiers

Nearest Port
Kantang(24.6 km)
ARLHS No.
THA-021

Tower & Structure

Tower Height
15m
Tower Shape
cylindrical
Material
concrete

Structure: round concrete tower with gallery

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 Ko Lanta Lighthouse at night?+
Ko Lanta displays the characteristic Fl White 15s. 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 Ko Lanta Lighthouse guide vessels into?+
Ko Lanta Lighthouse assists vessels approaching 5 nearby ports. The closest is Ban Kantang at 24.1 NM to the E. Other ports served include Kantang (24.6 NM E), Trang (30.3 NM E), KRABI (36.5 NM NNW), Ko Lanta (36.9 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ko Lanta Lighthouse still active and maintained?+
Yes, Ko Lanta 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 Ko Lanta Lighthouse?+
Ko Lanta Lighthouse is located within the Strait of Malacca — the primary shipping route between the Indian and Pacific Oceans, carrying over 25% of global traded goods. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Ko Lanta Lighthouse?+
You can track vessels near Ko Lanta 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.