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Koh Dok Mai

Intermediate 📍 Phuket, Thailand
Photo: Unsplash / Jeremy Bishop

Scuba diving – photo by Jeremy Bishop on Unsplash

# Koh Dok Mai Dive Site

Dive Conditions

⬇️
Depth
12m – 25m
🎯
Level
Intermediate
💨
Current
Moderate
📅
Best Season
dry season

Koh Dok Mai, located near Mai Thon Island in Phuket’s Andaman Sea, offers an excellent dive experience suitable for intermediate divers. This site features stunning underwater rock formations and coral gardens that attract diverse marine life. Divers typically encounter colorful reef fish, snappers, groupers, and occasional sea turtles navigating the pristine waters.

The dive site sits at depths ranging from 12 to 25 meters, making it accessible for certified divers seeking moderate challenges. The rocky outcrops create interesting topography with crevices and overhangs that encourage exploration. Visibility is generally good, particularly during the dry season, allowing for excellent underwater photography opportunities.

The moderate current can occasionally be present, requiring proper buoyancy control and experience. Marine life abundance varies seasonally, with pelagic species more common during certain months. The surrounding coral ecosystem supports a healthy variety of smaller reef inhabitants, making it ideal for nature observation and biodiversity appreciation.

Koh Dok Mai remains a popular choice for divers exploring southern Thailand’s Andaman Sea offerings.

🐠 Marine Life at This Dive Site

Coral Grouper — seen at this dive site
Coral Grouper Cephalopholis miniata tonydiver
Yellowband Fusilier — seen at this dive site
Yellowband Fusilier Pterocaesio chrysozona tonydiver
Yellow Boxfish — seen at this dive site
Yellow Boxfish Ostracion cubicum tonydiver
Yellow Boxfish — seen at this dive site
Yellow Boxfish Ostracion cubicum tonydiver
Ocellaris Anemonefish — seen at this dive site
Ocellaris Anemonefish Amphiprion ocellaris tonydiver
White-eyed Moray — seen at this dive site
White-eyed Moray Gymnothorax thyrsoideus tonydiver

Species data from iNaturalist (CC BY-NC)

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Max Depth 25 m
Min Depth 12 m
Difficulty Intermediate
Current Moderate
Best Season dry season
GPS 7.7627°, 98.4663°