Learn to dive


Interested in learning to scuba dive? 

You’ve come to the right place - Learn to dive on Anglesey

Many underwater explorers started right here with Gwynedd SAC.

Diving offers an escape from the pressures of daily life, access to an amazing world beneath the waves and the ability to affect positive ocean change.

SDI Open Water Scuba Diver

Open Water Scuba Diver

A scuba diving certification or ‘Open Water Diver certification’ allows you to dive anywhere in the world. Similar to driving a car, scuba diving requires specific knowledge, skills and training. A SDI Open Water Diver certification is your global passport to underwater adventure. 

Course prerequisites

See Junior Open Water Scuba Diver Course here. (10 – 14 years old)

Start diving the world in 3 Easy Steps!

Start your e-Learning

Start your SDI Open Water Scuba Diver course and master all the important academic information online or with us in the Club. You can complete this phase through self-study, at your own pace, in the convenience of your home or office. All eLearning courses work on mobile and tablet devices too. 

Start in the pool

For entry-level certification courses (as well as some continuing-education classes), the next step will be to complete your in-water skill-development training. This takes place in a swimming pool or similar body of confined water, under the supervision of an SDI Instructor. 

Complete in open water

The final step is to complete the required number of SDI open-water training dives under the supervision of an SDI Instructor. Here you will apply what you have learned during your academic and skill-development sessions, while learning practical lessons that can only be gained through real-world experience in open water.

What you'll be able to do

Upon successful completion of this course, you'll be qualified to: 

1. Conduct open water dives in conditions similar to your training to a maximum depth of 18 meters. 

2. Conduct dives with other certified divers at the same or higher level of certification. 

3. Conduct dives that do not require decompression. 

4. Enroll in the Advanced Adventure Diver program, individual SDI Specialties or the SDI Advanced Diver Development program 

Qualified - Whats next?

After completing your  Open Water Scuba Diver course..


Experience new adventures with Clwb Deifio Gwynedd Sub Aqua Club. SDI continuing education courses like Advanced Open Water Diver and other specialities, will help you develop your skills as a diver. Learn more about the many courses which are available to you. 

Not sure which specialty to try next? Try the SDI Advanced Adventure Diver  - a good place to start! 

If you haven't had the opportunity to dive for a period of time or a little nervous about returning to the water; you can quickly refresh the knowledge and skills you previously learned in Open Water with the SDI Inactive diver/Refresher Program.

Your existing dive certification never expires, but after a long period of inactivity, you may want to brush up on diving fundamentals and safety procedures.This is recommended for yours and others' safety. You're in safe hands with us. 

Interested in Tec Diving? Look no further! Contact us to find our what we can offer! We can tailor the training options to your needs. 

Explore the underwater world with us.....Join today!

Begin a lifetime of discovery & join the scuba diving community