Advanced Open Water Diver – Level Up Your Diving Skills
Advanced Open Water Diver Course Koh Chang
The Advanced Open Water Diver course in Koh Chang is your next step after Open Water certification, upgrading your maximum depth from 18 meters to 30 meters and expanding your diving skills through 5 adventure dives. In just 2 days, you'll complete mandatory Deep Dive (30m) and Underwater Navigation training, plus 3 elective adventure dives at exciting sites in the Mu Koh Chang National Marine Park.
This AOWD course in Koh Chang is taught by experienced SDI, TDI, and PADI certified instructors who guide you through practical skills including deep diving procedures, precise underwater navigation, peak performance buoyancy, and specialty dives like wreck diving on the HTMS Chang wreck or Nitrox diving. Each adventure dive focuses on a specific skill area while allowing you to explore Thailand's diverse underwater environments and marine life.
Our Advanced diving course in Koh Chang, Thailand follows a flexible, experience-based approach with small groups and personalized instruction. Unlike the Open Water course with confined water sessions, the Advanced course is entirely open water diving – no pool training required. You'll dive at varied sites including deep reefs (up to 30m), shallow training areas for navigation, and famous locations like the HTMS Chang wreck, gaining confidence and skills that open access to more challenging dive sites worldwide.
This Advanced Open Water Diver course is perfect if you:
- recently completed your Open Water certification and want to continue
- want to dive deeper (30m) and access sites like the HTMS Chang wreck
- prefer learning by doing – all training is through fun adventure dives
- are interested in specialties like wreck diving, Nitrox, or advanced buoyancy
- want to build experience and confidence before fun diving independently
All Advanced courses are conducted from our dive boat with professional equipment, small group sizes, and a focus on practical skill development. After certification, you'll be qualified to dive to 30 meters worldwide, explore Koh Chang's 13+ dive sites including deeper wrecks and reefs, and continue your diving education with specialty courses or Rescue Diver training.
If you're ready to upgrade from Open Water to Advanced and unlock deeper, more exciting dive sites in Koh Chang, Thailand, our Advanced Open Water Diver course gives you the skills, experience, and confidence to take your diving to the next level.
Ready to advance your diving in Koh Chang? Book your Advanced Open Water course today and explore Thailand's best dive sites!
→ Learn how the AOWD Course works – Step by Step
Open Water Diver
- Max. depth 18m
- Basic dive skills
- Entry-level license
Advanced Open Water
- Max. depth 30m
- Adventure dive experience
- More freedom & sites
⚡ Take the plunge and boost your diving skills today!
Who can join?
- Minimum age: 12 years
- Must be Open Water certified (any agency)
- Junior AOWD (12–15 yrs): max. depth 21m
- Standard AOWD (15+ yrs): max. depth 30m
- Basic swimming comfort & fitness
What's included
- 2-day course with 5 guided adventure dives
- * Note: Adventure dives are part of the AOWD course but do not count as full specialties. Ask us how to upgrade!
- Mandatory Deep Dive (30m) and Navigation Dive
- Popular in Koh Chang: Peak Performance Buoyancy, Wreck & Nitrox dives
- All scuba equipment included – bring your own gear and get 5% off (only valid if you use our tanks and weights only, code: H7PFU7M6)
- Digital or printed materials (SDI or PADI)
- Small groups with pro instructors
- Hotel pickup (available in selected areas of Koh Chang)
- Snacks, fruit, soft drinks & lunch onboard
⚠️ Optional
- Exclusive for our students & dive guests
- Get a special discount on selected equipment
- Mask, snorkel, fins & more available online
- Book this equipment together with your course or trip and save instantly!
- Offer valid only for combined online bookings on our website.
- Dive accident insurance – recommended for all divers
- ✔ Add Wreck + Deep + Nitrox Specialty Package
→ Why Nitrox is great for your future dives
* Prices and discounts may change without prior notice. Book early to secure the best offer.
What can you discover?
Join our fun dives and explore vibrant coral reefs, fascinating critters, and majestic marine life — including the legendary HTMS Chang Wreck.
Use our dive site map to plan your adventure or dive deeper into our Marine Life Guide and see what awaits below the surface.
What other divers discovered
Real reviews and experiences from our guests – see what others found on their diving adventures with us!
💬 Choose Your Advanced Course Option
Level up your diving in just 2 days – 5 adventure dives, full gear, and international certification included!
SDI AOWD Student/s
💸 13,490 THB
Advance your skills with SDI! 2 days, 5 dives incl. full eLearning – deeper, better, smarter diving!
PADI AOWD Student/s
💸 13,990 THB
Take the next step with PADI! 2 days, 5 dives incl. basic PDF manual – explore deeper, go further!
→ Not sure yet? Read how the AOWD course works – Step by Step
📚 Recommended Reading Before Your Course
- 📖 Deep Diving Guide – Limits, planning & safety for deep dives
- 📖 Using Your Dive Computer – Essential for tracking your dives and safety stops
- 📖 SMB Deployment Guide – Important for navigation and safety at depth
💡 These articles will help you get the most out of your training!
Student Downloads
- Forms* (PDF)
- Diver Medical | Participant Questionnaire Continued* (PDF)
- Basic theory and skill Review (PDF)
- Theory for Beginners / Review (Interactive Quiz)
Instructor Downloads
- AOWD-Inst.-Manual
- AOWD-Dive record
- AOWD-Training rec.
- Hand Signals Chart (PDF)
- DCS Evaluation Slate (PDF)
- Emergency Plan
- Accident_Incident_Report
- Continuing Education Admin Doc (PDF)
Please avoid cannabis use before and during diving. Diving requires full concentration and physical fitness.
No drugs – safety first!
FAQs – Advanced Open Water Diver Course
Do I have to study theory again?
Yes, a short theory module is part of the course – but there's no big final exam like in Open Water. You can study everything online in advance.
How deep can I dive after the course?
As an AOWD diver, you're certified to dive up to 30 meters (Junior AOWD up to 21 meters).
Are the Adventure Dives the same as Specialty Courses?
No – Adventure Dives are introductory dives. You can credit them toward full Specialty Courses like Wreck Diver or Nitrox later.
What equipment do I need?
Everything is included in the course price – all you need is swimwear and a good mood!
What comes after AOWD?
You can continue with the Rescue Diver course or enroll in full Specialties. We're happy to advise you!
