Course overview

Discover the appeal of wreck diving with the SSI Wreck Diving specialty at Khao Lak, where the Boon Sung wreck, a former tin-mining dredger, lies a short boat ride offshore. You learn surveying, navigation and hazard-management techniques across training dives on this fish-rich structure, earning an SSI certification recognised worldwide.

What you’ll learn

• Plan and conduct safe wreck dives within recreational limits
• Survey and sketch a wreck and assess hazards
• Navigate confidently around and along a wreck
• Manage buoyancy and trim near fragile structures
• Use lines and reels for safe limited entry where appropriate
• Recognise the marine life that thrives on a wreck

Prerequisites

• Minimum age 15
• SSI Open Water Diver (Advanced Adventurer recommended)
• Comfortable buoyancy control
• Diver medical clearance signed by a physician

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
   Theory & survey dives

   Study wreck-diving theory and dive the Boon Sung dredger wreck, practising surveying and navigation.
2. Day2
   Mapping & certification

   Complete further dives focused on mapping and hazard management, then earn the SSI Wreck Diving rating.

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