

Open Water Diver (NAUI) is the entry‑level scuba certification that teaches you the essential skills to dive safely and confidently. You learn how to use scuba equipment, control buoyancy, manage underwater communication, and handle basic emergency situations. After completing the course, you’re certified to dive with a buddy to a maximum depth of 18 meters, opening the door to recreational diving adventures.
Minimum age 15 years (or 10 years for Junior certification). Ability to swim comfortably and demonstrate basic water skills. Good physical health and clearance for diving if needed. Completion of all academic modules and knowledge reviews. Successful performance in confined‑water (pool) training sessions. Completion of required open‑water training dives. Demonstration of safe buoyancy control, equipment handling, and emergency procedures.
This course has no fixed instructor or schedule — book and pay now, and Royal Marine will contact you afterward to arrange your instructor, date, and time.