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.