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Plan + Spots · Destination Guide

Koh Samui

Resort comfort on land, Gulf of Thailand pinnacles and marine parks offshore

Updated Jan 23, 2026 • 20 sources

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Signature sites

Featured dive spots for Koh Samui

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Crystal Bay dive spot

Crystal Bay

ReefSwim Spot

Sheltered Samui cove for easy snorkeling and shallow reef.

5.0
1 dive
Visibility12 m
AccessEasy entry
CoralMixed health
Marine LifeAverage variety
FacilitiesGood facilities
CrowdQuite busy
CurrentNo current
SurgeLight surge
Ko Tae Nai dive spot

Ko Tae Nai

Reef

Shallow reef and coral-nursery boat site south of Thongsala.

AccessSimple entry
CoralMixed health
Marine LifeAverage variety
FacilitiesBasic facilities
CurrentLight current
Mu Koh Angthon National Marine Park dive spot

Mu Koh Angthon National Marine Park

Reef

Gulf island park with shallow reefs, snorkeling and rays.

Visibility12 m
AccessSimple entry
CoralHealthy coral
Marine LifeGreat variety
FacilitiesBasic facilities
CrowdQuite busy
CurrentModerate current
SurgeLight surge