Advanced Scuba Diving Courses – Dive Deeper, Longer & Safer in Koh Chang
Already certified and ready for more? At Chang Diving Center, our advanced scuba diving courses in Koh Chang are built for divers who want to go beyond the basics – improve confidence, master new skills, and explore exciting underwater environments, from fun dives on coral reefs to deeper wreck adventures.
Start with the popular Advanced Open Water Diver (AOWD) – your next step after Open Water. Then specialize with Nitrox, Deep Diving, Navigation, and Wreck Diving Specialty Courses – expand your dive time, depth, and exploration.
Looking to take safety and teamwork to the next level? The Rescue Diver Course teaches you to prevent and manage dive emergencies – the essential step before going professional.
All training is conducted in small groups with experienced SDI, TDI, and PADI instructors, using high-quality equipment in the warm tropical waters of Koh Chang. During your course, you’ll practice at stunning local dive sites including vibrant reefs, deep pinnacles, and the famous HTMS Chang Wreck.
🌊 Upgrade your diving today – choose an advanced course in Koh Chang and unlock new skills and specialties for your underwater journey!
🔄 Refresher Course
Haven't dived in a while? Join our 1-day Scuba Review with 2 dives, theory refresh, and instructor. Full gear & lunch included.
💸 Starting from 3,950 THB
🎯 Advanced OWD
Take your diving further in Koh Chang – 2 days, 5 adventure dives, max. 30m. Book your Advanced Open Water Course now at Chang Diving!
💸 Starting from 13,490 THB
🚑 First Aid Course
Join our First Aid course on Koh Chang. Includes CPR, AED, and emergency response training. Ideal for divers and non-divers. 1-day certification.
💸 Starting from 4,990 THB
🦸 Rescue Diver
The Rescue Diver Course build up convidence and the ability to prvent / help in unlikely Diving situations. join today! become convident in all situations.
💸 Starting from 14,990 THB
🏆 Master Scuba Diver
Join our Master Scuba Diver program and reach the top recreational diving level. Includes Rescue Diver, specialties, dive packages & full agency support.
💸 Starting from 62,424 THB
Beyond the Course – Guides, Tips & FAQs for Advanced Divers
Ready to refine your skills after certification? Our advanced courses are just the start. Below you'll find practical guides and honest advice to help you dive deeper, safer, and smarter. Whether you're planning your first deep dives, curious about underwater photography, or want to understand nitrox, gas consumption, and dive planning – our scuba knowledge base covers the topics advanced divers care about. We also share straight talk on gear, logistics, and how to get the most from your dives. Comparing PADI vs SDI/TDI? Wondering about equipment and logistics on Koh Chang? Our FAQs and how-to guides have you covered. Use the links below to explore topics that will make you a more confident, capable diver.
⬇️ Deep Diving
Go beyond 18 m safely. Pressure, narcosis, gas planning – what advanced divers need to know before going deep.
📷 Underwater Photography
Capture the underwater world. Camera basics, composition, and practical tips for divers who want better shots.
📚 Scuba Knowledge
Nitrox, gas consumption, dive computers, safety stops – expand your knowledge and dive with more confidence.
🎓 PADI vs SDI/TDI
Choosing agencies for advanced courses? Honest comparison of recognition, costs, and pros and cons.
💡 Dive Smart Bonus
Get more from every dive. Practical tips for better air consumption, buoyancy, and planning – from our instructors.
🤿 Course FAQ
Schedules, prerequisites, what to bring, Nitrox options – answers to common questions about advanced courses on Koh Chang.
🎒 Equipment & Logistics
Own gear vs rental, transport, what to bring – plan your advanced course trip with our equipment and logistics FAQ.
📖 How-to Guides
Step-by-step: AOWD, Rescue, specialties, Master Scuba Diver. What to expect, schedules, dive sites – plan your next course.
