TDI Sidemount diver in Thailand backlit from sun diving through a tropical reef

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.

woman sidemount diver
sidemount diver in red on trpical reef

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

backmount diver

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
sidemount diver practicing practical skills

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.

sidemount diver underwater in tropical thailand
white sidemount diver wing on sidemount diver in Thailand

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.

Tech sidemount diver with deco tank

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.

  • Sidemount Course

    Being an inexperienced diver, the sidemount course is a very steep learning curve for me. Thankfully I have a very patient Claus as my instructor. Hope to train under him again!
    Jay Z

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.