Open 20

Join thousands of other divers in exploring the vast ocean by qualifying to become a safe, skilled SCUBA diver with the RAID Open 20 course. Covering the basics of learning to dive, this internationally recognised course is taught by highly passionate Instructors who enjoy spreading the love of underwater exploration.

Course Content

Online Content

Start your learning journey online with RAID’s interactive web modules. Learn in the comfort of your home, or on the plane right over to your holiday destination!

Pool/Confined Water Training

Your training starts in the safety of a pool or confined waters to allow learning in a comfortable environment. We will bring you through key skills like bouyancy control that will be essential when moving around coral reefs.

Open Water Dives

Complete your training in the sea amongst the fishes – here, you will demonstrate your ability to perform the skills taught to you and show proficiency over 2-3 days of diving.


The minimum age is 12 years old. Student divers who are younger than 15 earn the RAID Junior Open Water Diver certification, which they may upgrade to RAID Open Water Diver certification upon reaching 15. 

You will be required to a complete a dive medical questionnaire. If there are any potential issues you will need to complete a medical from a doctor. 

You will need to demonstrate you can swim 200 meters/200 yards or snorkel 300 metres/300yards and tread water for 10 minutes.

Last but not least, be prepared to come and have FUN!

Cancellation Policy

Should you wish to cancel your booking, all cancellations need to be advised in writing to TDCG and the following conditions will/may apply:

(a) Bookings cancelled at any time after confirmation are subject to the forfeit of deposit, including any additional deposits required by suppliers.

(b) In addition to this fee are any charges made by the hotel, tour operator, or other principal. This can amount to up to 100% of total land arrangement costs, particularly when cancelling tours and other arrangements after the final payment due date.

It is highly recommended that Travel Insurance is taken at the time a deposit is paid, as this may prevent you having to pay these fees, if cancellation is due to circumstances beyond your control. Any refunds due will be available to you after we receive the monies from the operator involved.