Course overview

Certified SSI (and other-agency) divers can explore Thailand's finest reefs on guided fun dives from Khao Lak to the Similan Islands. Across day trips and liveaboards you dive marquee sites such as Koh Bon, Koh Tachai and Richelieu Rock to 30 metres, watching for whale sharks, manta rays and leopard sharks in the Andaman's moderate currents.

What you’ll learn

• Put your certification skills to use on premier sites
• Adapt to moderate-current national-park diving
• Identify pelagics and reef species of the Andaman
• Refine buoyancy and reef-conservation habits
• Plan multi-dive day trips and liveaboard days
• Grow your logged-dive count

Prerequisites

• SSI Open Water Diver (or equivalent) for shallower sites
• Advanced Adventurer recommended for 30 m sites
• Recent diving experience (refresher if lapsed)
• Diver medical questionnaire

What's included · What's not

Probability of sightings · month-by-month

What you're likely to see each month, based on historic operator logs.

Day-by-day itinerary

1. Day1
   National-park fun diving

   Join a day trip or liveaboard to the Similan reefs, Koh Bon or Koh Tachai for two or more guided dives to a maximum of 30 metres.

Verified through iDive

Every partner school in the iDive network is vetted on safety, instructor credentials, equipment standards and student feedback. Talk to a iDive dive pro on WhatsApp for current availability and reviews specific to Similan Islands.

Frequently asked questions