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71 Guardians Diving Expeditions And Academy

Skills & Training

Sidemount vs backmount: what's the difference?

Backmount is the standard set-up: one cylinder on your back. Sidemount carries cylinders at your sides under your arms. SDI describes sidemount's benefits: a more streamlined profile, carrying more gas, true redundancy with a separate regulator on each cylinder, and comfort for divers with back or shoulder problems because the weight isn't on the spine. It needs a proper course.

By 71 Guardians · Published 19 Oct 2026

Dolphin swimming above a sidemount diver in the Red Sea

Why do divers choose sidemount?

  • More streamlined than single-tank backmount.
  • Can carry more gas while staying streamlined.
  • Each cylinder has its own regulator — true redundancy if one fails.
  • More comfortable for some divers with back or shoulder problems.

Is sidemount only for technical divers?

No — SDI argues it's useful for recreational divers too, and recommends a proper sidemount course with a qualified instructor covering fitting, buoyancy, trim, propulsion and problem-solving.

Where can I learn?

We teach sidemount courses — see our Courses and Technical Diving pages.

Frequently asked questions

Is backmount worse?

No — it's the standard and works well. Sidemount is a different tool with its own advantages.

Do I need to be an advanced diver?

Check the course prerequisites on our course pages.

Questions before you dive with us?

Message our team on WhatsApp — we're divers in Hurghada and happy to help.

Chat with us on WhatsApp

Sources

  1. Sidemount: Not just for technical divers — SDI / TDI