RAID Dive Courses
Your progress, one dive at a time.
Learn to dive with us at Hydronauts Diving Resort Koh Tao.
We offer Koh Tao’s best RAID diving courses with small classes, modern methods, and high quality gear. Build real skills step by step and learn to defy gravity with confidence.
Pick a course and we’ll guide you – one dive at a time.
Beginner Courses
Try Dive
Not ready to commit to a full course? Try scuba diving in a fun, easy session with an instructor.
Open Water 20
Earn your first scuba certification to 20 meters. Learn in small groups with top-quality gear.
Continuing Education & Specialities
Explorer 30
The next step after Open Water. Improve your buoyancy, navigation, and deep-diving skills.
Master Rescue
Be the buddy everyone trusts. Prevent problems, read stress early, and lead with a cool head.
Nitrox (EAN)
Want more bottom time? Learn to analyze and use nitrox for safer, smarter dives.
Deep 40
Deep done right. Simple procedures, clean plans and controlled profiles to 40 meters and back.
Technical Training
Sidemount
Not ready to commit to a full course? Try scuba diving in a fun, easy session with an instructor.
Advanced Wreck
Step inside and keep your cool – learn line, light, and teamwork that unlock the wreck.
Pro Training
Divemaster Training
From solid diver to trusted guide. Real students, real scenarios, and coaching that builds confident, reliable leadership.
Instructor Training
Learn to teach the RAID way. 17 days of modern training, personal mentorship, and specialty ratings that set you up to succeed.