Deep Diver Course – Explore New Depths Safely
Category: Specialty Course
Location: Koh Chang
SKU: Course-Koh-Chang-DC015
Why Deep Diving?
The Deep Diver Course takes you beyond 18 meters – down to a maximum of 40 meters. Whether you’re interested in wrecks, marine life, or technical diving, going deep opens a whole new world. You’ll learn how depth affects gas consumption, light, colors, narcosis, and your no-deco limits – and how to stay safe while exploring it all.
? → See how specialty courses work at Chang Diving
What You’ll Learn
- ✅ Planning and executing dives up to 40 meters
- ✅ Understanding gas narcosis and pressure effects
- ✅ Reducing risks at depth – safety stops & emergency planning
- ✅ Managing gas supply and dive time effectively
- ✅ How depth affects visibility, buoyancy, and your equipment
Thinking About Technical Diving?
The Deep Diver Course is a prerequisite for the TDI Deco Procedures Course, which introduces planned decompression diving. If you’re considering tech diving in the future, this is your first important step.
? → Continue to Deco Procedures
Your Options
- ? Full Deep Diver Certification: Online theory + 2 (SDI) or 4 (PADI) open water dives up to 40 meters
- ⭐ Adventure Dive (Deep): 1 day, 2 dives (including 1 deep dive + AOWD credit if completed within 12 months)
? Online theory access included (PADI PDF Manual or SDI eLearning)
? Not sure which option is right for you?
→ Learn how specialty courses work at Chang Diving
Requirements
- Agency: SDI (18+) or PADI (18+)
- Prerequisite: AOWD (PADI) or Open Water + 10 logged dives (SDI)
- Logged Dives: Minimum 9 dives
- Duration: SDI – 1 Days | PADI – 2 Days
- Dives: SDI – 2 dives | PADI – 4 dives
What’s Included
- ? SDI eLearning or PADI PDF Manual
- ? Pre-dive briefing, gear setup, and deep planning session
- ? 2–4 open water dives (max. 40m)
- ? Certification card upon successful completion
- ? Rental gear included
- ?️ Optional: Dive Insurance available for added safety
Take the Plunge Into the Deep
This course is ideal for wreck enthusiasts, future tech divers, and anyone ready to expand their depth limit. Learn the skills, build the confidence, and dive deeper than ever before.
- ✅ Up to 40m certified depth
- ✅ Ideal for HTMS Chang and other deep dive sites
- ✅ Required for Wreck Diver and Deco Courses
? Book your Deep Diver Course or Adventure Dive now!
➕ Already dreaming of tech diving? Continue with the Deco Procedures Course and start your advanced training path.
What Will You See at 40 Meters?
Experience twilight light, different marine life behavior, and the mystery of Koh Chang’s deep wrecks. Perfect your buoyancy and gas use while pushing your limits – and take your diving deeper than ever.
? Explore our HTMS Chang Wreck and marine life guide.
Important Safety Notice:
Deep diving requires full focus, strong awareness, and sound gas planning. Please do not use cannabis before or during the course.
? No Drugs – Dive Smart, Dive Safe!
What Our Guests Say About Us
At Chang Diving Center, we’re proud to have earned the trust and admiration of divers from around the world.
Their reviews highlight the passion and professionalism we bring to every dive, and we’re excited to share their thoughts with you!
Google Reviews
Guests love our professionalism, safe diving practices, and the beauty of Koh Chang’s dive sites. See why we’re a top-rated center!
Tripadvisor Reviews
On Tripadvisor, travelers highlight our friendly atmosphere, personalized diving experiences, and dedication to creating unforgettable adventures.
Facebook Reviews
Our Facebook community is filled with stories of happy divers sharing their unforgettable moments. Join the conversation and see for yourself!
Your feedback inspires us to continue providing world-class diving experiences. Thank you for being part of our journey!
