Proper placement of the bolt snaps on the cylinders is crucial. It must allow for the tank to be securely attached to the rear waist D-ring while remaining parallel to the body.
Sidemount provides a unique balance that, once mastered, offers unparalleled stability.
What are you diving in? (Open water, caves, wrecks?) What brand or style of BCD/harness do you currently own? sidemount principles for success verified
The verified success metric: While in perfect horizontal trim, reach back with your ipsilateral hand (left hand to left valve, right to right). Your thumb should contact the valve wheel before your elbow touches your side. If your elbow hits first, your tanks are too high or your shoulder mobility is insufficient.
Bungees wrap around the cylinder valves to keep them pulled tightly into the armpits. Whether using continuous bungees, loop bungees, or independent bungees with snap hooks, the tension must be calibrated perfectly. If the bungee is too loose, the tank valve sags; if it is too tight, manipulating the valves becomes exhausting. Summary Checklist for Sidemount Success Proper placement of the bolt snaps on the
Sidemount requires managing two completely independent gas sources, which means gas management and hose routing must be meticulous. Poorly managed hoses create entanglement hazards and complicate emergency procedures.
Zero dangling loops; long hose deploys cleanly without snagging the necklace. What are you diving in
The first pillar of success is knowing your gear inside and out. In sidemount, every inch of bungee and every hardware placement makes a difference.
Sidemount diving has evolved from a niche cave-exploration technique into one of the fastest-growing segments in recreational and technical scuba diving. But as the configuration has gone mainstream, a crucial question has emerged: what separates a truly proficient sidemount diver from someone who simply moves their tanks from their back to their sides? The answer lies in a set of fundamental principles that, when understood and applied correctly, lead to consistent success underwater. This article consolidates verified principles from experienced technical instructors, training agency standards, and long-term sidemount practitioners to provide a roadmap for sidemount mastery.
: Ideally, you should use cylinders with modular valves (one right-handed, one left-handed). This allows the valves to be mirrored, with handles facing outward and regulator first stages protected and tucked inward toward the body.
The following story illustrates these principles through the eyes of a diver transitioning from traditional back-mount to sidemount, following the curriculum of specialized guides like the Sidemount: Principles For Success eBook by Andy Davis. The Story of Leo’s Transition