The Most Complete Training.

SNSI Master Buoyancy & Trim Diver Perfect your Buoyancy and Trim. Discover → SNSI Underwater Navigation Learn Underwater Navigation. Discover → SNSI Dry Suit Diver Learn to dive using a Dry Suit. Discover → SNSI Night & Limited Visibility Diver Learn to dive at Night or with Limited Visibility. Discover → SNSI Deep Diver The Recreational Deep Diving. Discover → SNSI Boat & Drift Diver The Boat & Drift Diving. Discover → SNSI Recreational Nitrox Diver Dive with Enriched Air. Discover → SNSI Equipment Care Learn to Maintain your Equipment. Discover → SNSI Underwater Photography Secrets and Tricks of Underwater Photography. Discover → SNSI Gas Blender Learn to use the compressor and fill tanks with mixtures. Discover → SNSI Altitude Diver Dive safely in mountain lakes above 300 m. Discover → SNSI Full Face Mask Diver Learn to dive with a Full Face Mask. Discover →