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    Sidemount Authority — Precision. Balance. Control.

    Instructor-led sidemount diving training, gear reviews, and field-tested technique. No fluff. No affiliate hype. Just what works underwater.

    Technical diver in full sidemount configuration making eye contact with the camera in dark open water
    Sidemount Diving, Done Right

    Precision.
    Balance.
    Control.

    What You’ll Find Here

    Training & Certification

    What sidemount certification involves, how to choose the right course, and how to prep so your check-out dives go smoothly.

    Explore Training

    Gear Tips & Reviews

    Harnesses, cylinders, regulators, and fins — tested in the water, compared honestly, with real trim and balance notes.

    Browse Tips

    Technique & Community

    Trim, valve drills, gas management, and the small adjustments that separate a comfortable sidemount diver from a struggling one.

    Meet the Authority
    Latest From the Field
    Sidemount diver with twin cylinders on a deco hang holding a lift bag line
    COMPARISON

    Sidemount vs. Backmount: Which Setup Actually Fits Your Diving?

    Two sidemount divers exploring a reef wall in clear blue water
    TECHNIQUE

    Trim Drills That Fix 90% of New Sidemount Divers’ Problems

    Sidemount diver in dark water with cylinder visible
    CYLINDERS

    Aluminum vs. Steel Cylinders for Sidemount: A Real Trim Comparison

    Ready to dive
    with control?

    Whether you’re considering your first sidemount course or refining trim after years in the configuration — start here.

    Find Your Course