Course overview

Shake off the rust before tackling the Similan Islands with the PADI ReActivate refresher at Khao Lak. Designed for certified divers who have been out of the water for a while, it revisits key knowledge and skills in a sheltered local reef session so you can confidently rejoin Andaman day trips and liveaboards.

What you’ll learn

• Refresh essential scuba safety knowledge
• Rebuild mask-clearing and regulator-recovery skills
• Re-establish buoyancy control and trim
• Review dive planning with a computer
• Practise buddy and emergency procedures
• Regain comfort and confidence underwater

Prerequisites

• Existing scuba certification (any recognised agency)
• Minimum age 10 (Junior) / 15 as per original certification
• Reasonable health (medical questionnaire required)
• No minimum number of prior dives

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
   Refresh & check dive

   Complete the online knowledge review and a skills refresh, then a guided check dive on a calm reef near Khao Lak to restore confidence.

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