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Scuba diving courses

Course names differ slightly between agencies, but the path is the same: try it, get certified, build experience, then go professional if you want to.

CourseLevelTypical minimum ageWhat it covers
Try diveFirst experience10A supervised first breath underwater, usually in a pool or calm shallow water. No certification, no prior experience needed.
Open WaterEntry level10The first full scuba certification. Theory, pool sessions and four open-water dives, qualifying you to dive to about 18 m with a buddy.
Advanced Open WaterContinuing education12Five adventure-style dives, typically including deep and navigation, extending your limit to about 30 m.
Rescue DiverContinuing education12Problem prevention, self-rescue and assisting other divers. Usually requires a current first aid and CPR course.
Nitrox (enriched air)Continuing education12Diving with oxygen-enriched air for longer no-decompression times on recreational dives.
Speciality coursesContinuing education10Focused skills such as deep, wreck, night, navigation, buoyancy and underwater photography.
DivemasterProfessional18The first professional level: guiding certified divers and assisting instructors.
InstructorProfessional18Instructor development and evaluation, qualifying you to teach and certify divers.
Technical divingTechnical18Training beyond recreational limits: decompression, gas switching, sidemount and trimix.
Freediving coursesFreediving12Breath-hold courses covering relaxation, equalisation, safety and depth or pool disciplines.
Kids programmesChildren8Pool-based scuba experiences designed for children, with age-specific depth limits.

Minimum ages and depth limits vary by agency and course. Confirm the current standards with the centre before booking.

Frequently asked questions

What is the first scuba course I should take?

Most people start with a try dive to see if they enjoy it, then take an Open Water course, which is the first full certification.

How deep can I dive after Open Water?

Open Water divers are typically trained to dive to about 18 metres. Advanced Open Water extends this to around 30 metres.

Do I need to be fit to learn scuba diving?

You need reasonable fitness and basic swimming ability. Before training you will complete a medical questionnaire, and some conditions require a doctor's sign-off.

Is a Nitrox course worth it?

For divers who do several dives a day, as on dive trips and liveaboards, enriched air can extend no-decompression time. It is one of the most popular continuing courses.