Koh Tachai Pinnacle
Also known as: The Plateau, Twin Peaks
Best time to dive
Season varies - confirm locally
What you might see
- BarracudaLikely
- Manta rayLikely
- Whale sharkPossible
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 - Not recommended - strong currents and depth make this a diver-only site
Safety notes
Strong currents, remote/exposed location (longer crossing from Khao Lak), boulder terrain
Permits & fees
Mu Ko Similan National Park fee (Koh Tachai included in park since 1998): 500 THB foreigner adult, 250 THB foreigner child (3-14); island itself closed to beach/land visitors since 2016 (diving still permitted); park closed 16 May-14 Oct
Permits and operators change - confirm before booking.
Location
Nearest hub: Khao Lak
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.