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Plan + Spots · Destination Guide

Koh Lanta Thailand

A chill Andaman base with day trips to manta-ready pinnacles, limestone caverns, and snorkel-clear islands

Updated Jan 23, 2026 • 18 sources

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Signature sites

Featured dive spots for Koh Lanta Thailand

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Koh Bida Nai dive spot

Koh Bida Nai

Reef

Popular Phi Phi limestone reef with coral gardens, sharks, and turtle sightings.

⚓
Visibility15 m
AccessModerate entry effort
CoralHealthy coral
Marine LifeGreat variety
CrowdQuite busy
CurrentModerate current
Pileh Wall 1 dive spot

Pileh Wall 1

Wall

Shallow Phi Phi wall with soft coral, sharks, and nearby lagoon traffic.

⚓
Visibility12 m
AccessModerate entry effort
CoralHealthy coral
Marine LifeGreat variety
CrowdQuite busy
CurrentLight current
Koh Bida Nok dive spot

Koh Bida Nok

ReefWall

Boat dive on Phi Phi's outer limestone reef with sharks and macro life.

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Visibility15 m
AccessModerate entry effort
CoralHealthy coral
Marine LifeGreat variety
CurrentLight current
Koh Haa #4 dive spot

Koh Haa #4

ReefWall

Sheltered Koh Haa reef-and-wall dive with clear water and easy starts.

⚓
Visibility18 m
AccessSimple entry
CoralHealthy coral
Marine LifeGreat variety
CurrentLight current
Koh Haa Yai Beach dive spot

Koh Haa Yai Beach

Reef

Shallow Koh Haa site for easy diving, snorkeling, and blacktip sightings.

⚓
Visibility18 m
AccessModerate entry effort
CoralHealthy coral
Marine LifeGreat variety
CurrentLight current
Whale Shark Wall, Ko Phi Phi dive spot

Whale Shark Wall, Ko Phi Phi

Wall

Sheltered Phi Phi Leh wall dive known for leopard shark encounters.

⚓
Visibility15 m
AccessSimple entry
CoralMixed health
Marine LifeAverage variety
CurrentNo current