Course overview

Certified divers can dive the best of Thailand on guided fun dives from Khao Lak to the Similan Islands national park. Joining day trips and liveaboards, you explore sites such as Koh Bon, Koh Tachai and Richelieu Rock to 30 metres, with the chance to encounter whale sharks, manta rays and leopard sharks in the moderate Andaman currents.

What you’ll learn

• Apply your certification skills on world-class sites
• Dive in moderate-current national-park conditions
• Spot pelagics such as whale sharks and manta rays
• Practise good buoyancy and reef-safe diving
• Plan multi-dive days and liveaboard schedules
• Build your logged-dive experience

Prerequisites

• Open Water Diver certification (or higher) for shallower sites
• Advanced Open Water recommended for 30 m sites
• Reasonable recent diving experience (refresher if lapsed)
• Diver medical questionnaire

What's included · What's not

Not included? Sort the rest of your trip

Flights and accommodation aren’t part of the course price, here’s how to book them around your dates.

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