Thailand · Phuket offshore
Koh Doc Mai
Best time to dive
January to December; November to April
What you might see
- Ghost pipefishLikely
- Grey reef sharkPossible
- Moray eelLikely
- NudibranchLikely
- SeahorseLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - Limited - sheer walls drop straight down; not a typical snorkel stop, mainly a scuba/macro site
Safety notes
Current can push divers along the wall; caverns at the base require cavern/overhead training - not for untrained penetration; watch depth on the sheer east-side drop
Permits & fees
Permits and operators change - confirm before booking.
Location
Nearest hub: Chalong, Phuket
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

