Open Water Scuba Diver (Autonomous—ISO Level 2)
Open Water · open-water
Learn to dive independently to 18 m — buoyancy, equipment, dive planning, and emergency procedures across 8 sessions leading to NAUI Open Water certification.
Adaptive Scuba Diver
Adaptive · adaptive-scuba
NAUI's adapted pathway for divers with physical or cognitive challenges, modifying skills and equipment to achieve safe, enjoyable diving to 18 m.
Experienced Scuba Diver
Experienced · experienced-diver
A streamlined route for certified divers from other agencies to verify skills and earn equivalent NAUI Open Water certification.
Recreational Hookah Diver
Hookah · recreational-hookah
Learn to dive using surface-supplied hookah equipment to 12 m — ideal for boat-based diving without the weight of traditional scuba tanks.
Supplied Air Snorkeling
SAS · supplied-air-snorkeling
An introductory breath-hold experience using surface-supplied air in very shallow water — no prior diving experience required.
Introduction to Scuba (Introductory experience—ISO 11121)
Intro to Scuba · intro-scuba
A single-session introductory scuba experience under direct instructor supervision — try diving today with no certification needed.
Scuba Diver (Supervised Diver—ISO Level 1)
Scuba Diver · scuba-diver
Earn your first NAUI certification (ISO Level 1) to dive with a qualified guide to 12 m, covering core skills and two supervised open water dives.
Tandem Scuba Diver
Tandem · tandem-scuba
A physically tethered guided dive for non-swimmers or those with limited mobility, conducted under close instructor supervision.
Advanced Open Water Scuba Diver
Advanced · advanced-ow
Extend your limits to 40 m with deep diving, advanced navigation, night diving, search and recovery, and SMB deployment across 6 specialty dives.
Master Scuba Diver
Master Diver · master-diver
The highest recreational diver rating — recognising advanced theory, leadership readiness, and verified experience across four specialty disciplines.
Rescue Scuba Diver
Rescue · rescue
Develop the skills to recognise and resolve dive emergencies, from managing a panicked diver to recovering an unconscious diver and delivering CPR and emergency O₂.
Nitrox Diver
Nitrox · nitrox
Plan and conduct dives using enriched air (EANx 32–36%) for extended bottom times and reduced nitrogen loading.
Refresher Scuba
Refresher · refresher
A short, practical skills review designed to safely return lapsed divers to active diving with updated knowledge and current technique.
Deep Diver
Specialise in planned dives to 40 m, covering deep physiology, narcosis management, and gas planning for safe, controlled deep diving.
Night & Limited Visibility Diver
Night Diver · night-diver
Master light management, night navigation, and buddy procedures for after-dark and low-visibility diving conditions.
Search & Recovery Diver
Search & Recovery · search-recovery
Learn systematic underwater search patterns and safe object recovery using lift bags — practical skills every experienced diver should have.
Wreck Diver (External Survey)
Wreck Diver · wreck-diver
Conduct structured external surveys of submerged wrecks, covering wreck navigation, hazard identification, and dive planning to 30 m.
Underwater Archaeology
UW Archaeology · uw-archaeology
Survey and document underwater archaeological sites ethically, using baseline techniques and trilateration mapping to preserve history.
Underwater Digital Imaging Diver
UW Photography · uw-digital-imaging
Capture stunning underwater images — housing setup, lighting, composition, and both macro and wide-angle photo dives included.
Underwater Hunting & Collector
UW Hunting · uw-hunting
Learn the legal, ethical, and technical skills for spearfishing and invertebrate collection in compliance with local regulations.
Underwater Naturalist Diver
UW Naturalist · uw-naturalist
Identify and document marine life, habitats, and ecosystems on two guided ecology dives — perfect for ocean conservation enthusiasts.
Training Assistant
Training Asst · training-assistant
Gain formal recognition as an in-water course assistant, demonstrating skills and safely supporting students during scuba training.
Assistant Instructor
Asst Instructor · assistant-instructor
The first step in NAUI's leadership track — plan and deliver academic presentations and assist with confined and open water instruction.
Divemaster
NAUI's premier professional certification: lead dives, manage groups, and assist instructors across all conditions and course levels.
Divemaster Crossover
DM Crossover · divemaster-crossover
Experienced divemasters from other agencies complete a targeted NAUI knowledge and skills assessment to earn full NAUI Divemaster status.
Skin Diving Instructor
Skin Diving Inst · skin-diving-instructor
Qualify to independently teach NAUI Skin Diver courses, covering safety management, surface rescue, and supervised group diving.
Basic Life Support: CPR and First Aid
BLS / CPR · bls
Complete adult, child, and infant CPR, AED operation, and choking management to current healthcare provider standards.
Diving First Aid (DFA Pro)
DFA Pro · dfa
A comprehensive diving-specific first aid course covering scene assessment, wound care, spinal management, DCI recognition, and marine life injuries.
Emergency Oxygen for Scuba Diving Injuries
EO₂ · eo2
Assemble and administer emergency oxygen using a DAN O₂ kit to breathing and non-breathing dive injury patients.
Skin Diver
Master breath-hold snorkeling — efficient duck diving, equalization, surface rescues, and open water skin dives with no scuba equipment required.
International Diver
International · international-diver
Prior scuba certifications from other agencies are evaluated and awarded the closest equivalent NAUI certification rating.