TDI Sidemount is your foundation for technical diving

TDI Sidemount Diver Course – Phuket, Thailand
Upgrade your diving performance with the TDI Sidemount Diver course in Phuket, Thailand. This course teaches divers how to use a sidemount configuration, offering improved trim, streamlining, redundancy, and flexibility compared to traditional backmount setups.
The TDI Sidemount Diver course is ideal for divers looking to improve efficiency underwater or prepare for advanced technical and overhead diving environments.
What Is the TDI Sidemount Diver Course?
The TDI Sidemount Diver course trains divers to safely and efficiently dive with cylinders mounted at the sides rather than on the back.
You will learn how to:
- configure sidemount equipment
- achieve optimal trim and buoyancy
- manage multiple gas cylinders
- streamline your profile in the water
- handle equipment failures and redundancy
👉 This course focuses on precision, control, and efficiency.


Why Dive Sidemount?
Sidemount is not just a different configuration—it offers real advantages.
Key Benefits of Sidemount Diving:
- improved trim and horizontal positioning
- reduced drag and better streamlining
- easier access to valves and regulators
- built-in gas redundancy
- greater flexibility with equipment setup
👉 Sidemount is widely used in technical, cave, and wreck diving.
Sidemount vs Backmount
Understanding the difference is essential.
Backmount:
- cylinders mounted on the back
- fixed configuration
- limited flexibility
Sidemount:
- cylinders mounted at the sides
- adjustable and modular setup
- better balance and control
👉 Sidemount offers greater control and adaptability underwater

Why Take Your Sidemount Course in Phuket?
Phuket provides ideal conditions for learning sidemount diving:
- calm, warm water
- excellent visibility
- controlled training environments
- access to experienced instructors
This allows you to focus on refining your skills.
What You Will Learn
The TDI Sidemount Diver course combines theory and practical skills.
Theory Topics Include:
- sidemount equipment configuration
- gas management strategies
- trim and buoyancy principles
- equipment redundancy
- dive planning

Practical Skills Developed
This course is highly skills-focused.
Skills Include:
- achieving perfect trim and balance
- adjusting and fine-tuning equipment
- gas switching between cylinders
- valve management and shutdowns
- maintaining awareness and control
- emergency procedures
Equipment Used During Training
Divers will use a dedicated sidemount setup:
- sidemount harness and wing
- two independent cylinders
- regulators with long hose configuration
- SPGs and clips
- optional stage cylinders
Proper configuration is key to performance.


Real Challenges in Sidemount Diving
Sidemount requires precision and adjustment.
Divers must manage:
- correct equipment setup
- balance between cylinders
- gas switching discipline
- maintaining trim and positioning
The course is designed to refine these skills.
Who Is This Course For?
The TDI Sidemount Diver course is ideal for:
- recreational divers wanting better control
- divers with back or mobility issues
- underwater photographers
- divers progressing into technical diving
- cave and wreck diving enthusiasts
- Divers preparing to go tech
Course Prerequisites
To enrol, you must:
- Be at least 15–18 years old
- Hold an Open Water certification (or equivalent)
- Have basic diving experience
Course Structure (Typical 2–3 Days)
- Day 1: Theory and confined water training
- Day 2–3: Open water dives
Training includes multiple dives to refine skills.

What Comes After Sidemount?
👉 Sidemount is often the foundation for advanced technical diving.
Why Choose Us for Your Sidemount Course?
- experienced technical instructors
- personalised equipment setup and high quality rental equipment
- small group training
- strong focus on trim and technique
- progression into technical diving pathways
You will leave this course diving more efficiently and confidently.
Contact Us
Have questions or need help? Use the form to reach out and we will be in touch with you as quickly as possible.
