NSS-CDS
Cave Instructor · Instructor #386Specialized cave-diving standards, safety, exploration and conservation.
About · Safety & conservation
Safety and conservation are part of every dive.
Good diving protects both the diver and the environment.
Standards connected to this pathway
Agency roles with a clear purpose.
TDI
Instructor TrainerTechnical, decompression, rebreather and instructor-level development.01
Our standard
Plan conservatively. Dive responsibly.
Safety starts with honest assessment: the diver, team, equipment, environment and objective must align. Good buoyancy, careful propulsion, disciplined gas management and environmental awareness are essential skills.
02
Conservation conversation
Speaking about the future of the cenotes.
Ricardo Castillo participated in InDEPTH’s 2025 round table on Mexico’s underwater heritage, alongside Alondra Fernández, Emőke Wagner and Pepe Urbina, with Stratis Kas.