Sidemount is a system that rewards precision and discipline. It is not inherently easier than backmount, nor is it automatically more technical. It is a configuration choice, a system philosophy, and a redundancy strategy. ; competence defines comfort, not the other way around.
: The primary goal is to keep cylinders parallel to the diver's torso to minimize drag. Dynamic Trim
Sidemount diving has evolved from a niche cave-diving technique into one of the most popular configurations for recreational and technical divers alike. However, transitioning to sidemount requires more than just moving your tanks from your back to your sides. To truly master this configuration, you must adhere to core principles that ensure safety, efficiency, and comfort.
Remain negatively buoyant throughout the dive, requiring less adjustment but careful hip-attachment positioning. sidemount principles for success verified
Usually caused by incorrectly sized or positioned bungees. Fix: Adjust bungee length so cylinders remain tight to the torso without restricting valve access.
Closely related to trim is the second verified principle: the A common failure among novice sidemount divers is over-gripping the tank valves, leading to tension, fatigue, and restricted breathing. The verified principle dictates that a diver’s hands should remain relaxed and free—never clutching the valves for stability. Instead, the diver’s body and the cylinder’s positioning should be so balanced that the diver can release both tanks entirely and hover motionless. The hands exist only to operate the valves (turning gas on/off) or to unclip/clip cylinders during transitions. The “happy hands” test, verified by cave and technical instructors worldwide, is simple: a successful sidemount diver can perform an entire skills circuit—including mask clearing, S-drill (gas sharing), and valve shutdowns—without ever needing to hold a tank for support. If a diver must grab the valves to stay horizontal, their trim is flawed.
The diver’s chest area must remain completely clear for easy access to bungees, chest D-rings, and backup lights. Sidemount is a system that rewards precision and discipline
Remember: In sidemount, elegance is efficiency. And efficiency is survival. Get verified. Dive wet. Stay horizontal.
To get the most out of sidemount diving, follow these best practices:
Sidemount: Principles For Success a comprehensive technical diving guide and eBook by Andy Davis ; competence defines comfort, not the other way around
Successful sidemount diving requires rigorous gas switching protocols to ensure both tanks are used equally, maintaining balance and buoyancy. Verified Setup Principles: From Harness to Cylinders
Sidemount offers the advantage of two independent cylinders, but this requires diligent management.
: The goal is to keep cylinders perfectly in-line with the torso, with valves tucked under the armpits to reduce drag and allow navigation in tight spaces. Meticulous Gas Management
Cylinders are transported individually and clipped on at the water's edge.