Master Wreck Environments — Deep, Detailed, DisciplinedDesigned for technical divers ready to penetrate wrecks at deeper levels using overhead and penetration protocols. The course covers line handling, light discipline, buoyancy precision, and emergency drills—all in complex structure environments. The perfect next step for trained wreck divers seeking professional-level competence.

Explore History Under the Sea — With Precision and PurposeElevate your wreck diving skills with advanced penetration techniques, navigation through tight wreck interiors, and proper use of guidelines. Learn risk management, gas planning, and mapping essentials that ensure safe and respectful exploration of submerged heritage sites. Dive deeper into the past—safely and expertly.

Immerse in the Depths — Beyond the LightThis elite technical course delves into full cave exploration using advanced gas mixes, propulsion vehicles, and trimix planning. You'll master extended decompression strategies, team-level protocols, and navigation in zero-light overhead environments. Ideal for serious tech divers ready for profound underwater challenge.

SSI’s Hypoxic Trimix program will use all the knowledge, skills, equipment, and experience you have gained from your previous advanced dive training to take you on a journey to the depths of the ocean.

Technical Extended Range Trimix diving program builds upon skills and techniques learned as an SSI Extended Range Trimix Diver. You will go beyond the no-decompression limit by increasing your dive depth and duration.

Extended Range Sidemount program trains you to dive in a sidemount configuration, and the techniques required to use multiple stage cylinders carried for decompression diving efficiently and effectively.

SSI Extended Range Trimix training program is the core program that all other open-circuit programs build on. This program is the start of your exciting journey to become an accomplished tech diver.

SSI Extended Range Nitrox program provides a thorough introduction to the concepts, techniques, and procedures required for decompression diving with nitrox.

SSI Extended Range Foundations program provides you with an opportunity to enhance your advanced diving skills in a workshop environment.

Being a gas blender is a key job at a busy PADI Dive Center or Resort. This course teaches you how to blend enriched air nitrox and helium-based gases using one or more blending methods.

Ready for the outer edge of technical diving? The Tec Trimix Diver course takes experienced tec divers and turns them into extreme divers who go deeper and visit pristine sites where few others will ever go. 

PADI Cavern Diver Specialty course gives you the knowledge and skills to explore caverns correctly – allowing you to enter far enough for adventure, but staying within the light zone for an easy exit to open water.