Recreational Scuba Diving Courses

Beginner Courses

Open Water Diver

This course teaches you all the basics of scuba diving. Once complete, you’ll be a skilled diver with an internationally recognised certification.

Discover Scuba

For those who want to test the waters and try scuba, this is the course for you! 

Computer Nitrox

Nitrox is a breathing gas that has a lot of benefits for both new and experienced divers. 

Advanced Courses

Advanced Adventure

If you’re ready to expand your knowledge but would like to see what is out there first, then the SDI Advanced Adventure Diver course is for you! 

Rescue Diver

This course is designed to develop the knowledge and necessary skills to effectively perform diver rescues and assist and administer the necessary first aid in the event of an emergency.

Advanced Buoyancy

This specialty is designed to increase the open water diver’s understanding of the factors that influence buoyancy.

Equipment Specialty

This course is designed to give an in-depth look at how dive equipment works. 

Wobbegong Shark Scuba Diving Sydney NSW

Deep Diver

This course is a must for any diver wishing to explore a little more, go a little deeper, and learn the risks and benefits associated with deep diving.

Solo Diver

SDI’s Solo Diving is the practice of self-reliant scuba diving without a “dive buddy.”

Professional Scuba Diving Courses


The SDI Divemaster Course is the first professional level certification. You will increase your knowledge about physics and physiology as well as increase your proficiency with your scuba and snorkeling skills.

Open Water Scuba Diving Instructor - St George Underwater - Sydney Australia

Open Water Scuba Diving Instructor

The SDI OWSDI course is designed to teach current Divemasters or Assistant Instructors certified with a recognized dive training organization the knowledge to effectively function as an open water scuba diver instructor. 

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Technical Diving Courses

Intro To Technical Diving

The TDI Intro to Tech Course is an introductory course that expands on recreational training by improving dive planning methods, in-water skills, and streamlining existing gear configurations in a controlled and fun learning environment.

What Our Customers Say

Have tried diving with 4 different shops round Sydney. St george is the best by leaps and bounds.

Bryce Richards

Extremely helpful and friendly. Great dive shop, with excellent knowledge of dive sites around Sydney

Conor Lydon

“Such a friendly, patient and knowledgeable bunch! Kel and his team are genuinely interested in getting people to be confident divers and to enjoy themselves.”

Deepa Gopinath