Learn to Dive – From First Bubbles to Dive Pro
At Chang Diving Center, our certified instructors offer internationally recognized courses from SDI, TDI, and PADI – for all experience levels. Whether you're beginning with a Try Dive or progressing toward your Divemaster certification, you'll receive expert guidance in a safe and enjoyable setting. Your Diving Education – Flexible, Multilingual, Effective You can begin your dive theory from home using eLearning or printed materials available in multiple languages. This saves valuable holiday time and allows you to focus on diving once you're here. Our courses are designed to be flexible, personal, and efficient – ideal for families, solo travelers, and anyone seeking real progress underwater. Why Learn to Dive in Koh Chang? Koh Chang's crystal-clear waters and vibrant coral reefs offer the perfect classroom. Practice skills at shallow reef sites, explore colorful marine life, and – for advanced learners – descend to Thailand's largest shipwreck, the HTMS Chang. It's an unforgettable journey from your first breath underwater to mastering buoyancy, navigation, and specialty dives. Book Your Dive Course Today All our courses include training dives aboard our custom dive boats, small group ratios, and attentive instruction. Whether you have one day or one month, we have the right course for you – and memories that last a lifetime.

🌊 Try Dive
Try scuba diving on Koh Chang with 2 boat dives – no license needed! Ideal for beginners. Full equipment & instructor included.

🎓 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.

🎓 Open Water Diver
Get certified on Koh Chang with our 3-day Open Water Course – full gear, 4 dives, eLearning & pro instructors.

📚 OWD & AOWD Package
Learn to dive & go deeper! Get your Open Water & Advanced certifications in 4 days with 9 dives – save more with this combo!

🎯 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!

🚑 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.

🦸 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.

🏆 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.

🏄 OWD to Divemaster Package
Complete diving journey: Get every certification from Open Water Diver to Divemaster in one comprehensive package. Save money and time!

👨🎓 Divemaster
Join the Divemaster Course at Chang Diving Center, Koh Chang. Train with pros, log 20+ dives, and start your professional dive career.

🚑 EFRI Course
At Chang Diving we can help you to reach your goals in becomming a PADI First Response Instructor. This Course is fore everyone who cares about others.

🎓 SDI (IDC) Course
Make your dream comes true. become a SCUBA Diving Instructor with the SDI Instructor Development Course (IDC) . Join an agency with the freedom to teach.

📝 SDI IE
The SDI Instructor Examination the final Step in becomming a SCUBA Instructor. These 2 Day Examination will be the start into your new SCUBA Career

🔄 SDI Crossover
The SDI / TDI Instructor Crossover with the ITI Family. ITI welcomes all Instructor crossovers from other Agencies to join the Family

📦 Deep, Wreck & Nitrox Pack
Explore deep waters, iconic wrecks, and dive longer with nitrox in our Deep, Wreck, and Nitrox Diving Package at Chang Diving Center, Koh Chang.

🫁 Nitrox Diver
Extend your dive time and enhance safety with our Nitrox Course on Koh Chang. Theory, gas blending workshop, and optional diving included.

🌊 Deep Diver
Go deeper safely! Our Deep Diver Course takes you to 40m depth – perfect preparation for wreck diving adventures. Book now!

🚢 Wreck Diver
Learn the basics of wreck diving on Koh Chang – safe exploration of sunken ships full of history and marine life!

🧭 Navigation Specialty
Become an underwater navigation pro! The Navigation Specialty Course is perfect for your diving holiday in Thailand.

🔍 Search & Recovery
Learn targeted underwater search and lift bag techniques. Available with SDI or PADI certification on Koh Chang. Get certified today!

🌙 Night Diver
Discover Koh Chang's underwater world at night! With bioluminescent plankton, hunting predators, and magical silence – an unforgettable experience.

⚖️ Sidemount Course
The Sidemount Course originates from cave diving and is becoming increasingly popular in sport diving. No weight on your back – more air and comfort!

🧑🤿 Solo Diver
Become a self-reliant diver with the SDI Solo Diver Course in Koh Chang. Perfect for photographers and experienced divers – start today!

🔧 TDI Intro to Tech
Ready for technical diving? Our Intro to Tech Course introduces you to the world of advanced diving with double tanks and precision skills.

⚡ TDI Advanced Nitrox
Maximize your bottom time with up to 100% oxygen. The TDI Advanced Nitrox Course opens doors to longer, safer dives with professional gas mixing knowledge.

⏱️ Decompression Procedures
Learn staged decompression diving on Koh Chang. Master the skills to safely exceed recreational limits with TDI Decompression Procedures.

🏛️ Advanced Wreck Diver
Dive into Thailand's largest wrecks with TDI Advanced Wreck Course. Learn safe penetration techniques and explore historic vessels like the HTMS Chang.

🏆 Technical Diver Package
Start your tech career with our comprehensive Technical Diver Package. Includes Advanced Nitrox, Decompression Procedures, and more – save money and time!