This globally recognized certification program is the best way to begin your lifelong adventures as a certified scuba diver. Personalized training is combined with in-water practice sessions to ensure you have the skills and experience required to become truly comfortable underwater. You will earn the SSI Open Water Diver certification.

React Right is SSI’s emergency first response course and provides you with the training and knowledge you need to act as a first responder in a medical emergency. In this flexible dive program, you can choose which subjects you want to learn about, including primary assessment, first aid, CPR and primary stabilization techniques. You can also learn about oxygen administration in diving emergencies and Automated External Defibrillator (AED) basics. Using a combination of academic sessions and practical training scenarios, this program will give you the tools and confidence you need for emergency response. By the time you are certified, you will be able to act as an emergency first responder, provide first aid and CPR, administer oxygen and provide AED support in a medical emergency. Earn your SSI React Right specialty certification. Get started today!

In the SSI Marine Ecology specialty program, you will learn how ocean organisms interact with each other and their environments. You will be taught how energy flows through communities and the links between different ocean ecosystems. With your newfound knowledge, you will appreciate the marine life you dive with even more! Start online today and earn your SSI Marine Ecology Specialty certification.

Join us and help clean the beaches of Koh Tao. Meet at the restaurant opposite Crystal Dive Resort reception area.

Help clean up our dive sites. Need to be a certified diver and have logged a dive within the last 6 months to register. Please contact us if you have any questions.

This four-day program combines the SSI React Right Course with the SSI Stress & Rescue Diver Course, giving you two certifications and the skills to respond confidently in any emergency. You’ll gain hands-on emergency skills for scuba diving, including self-rescue techniques, surface management, and diver assistance protocols, both on land and underwater. Whether you’re progressing toward becoming a pro or want to know how to handle scuba diving emergencies confidently, this course package is the turning point in your diving journey. In addition to earning your SSI Rescue certification, you’ll complete the SSI First Aid and Oxygen Course, learning to manage dive-related incidents using CPR, first aid, oxygen, and AED techniques

Gain hands-on emergency skills for scuba diving, including self-rescue techniques, surface management, and diver assistance protocols, both on land and underwater. Whether you’re progressing toward becoming a pro or want to know how to handle scuba diving emergencies confidently, this course package is the turning point in your diving journey.

Join us for a community beach clean up and help keep our island beautiful above and below the water. Whether you’re a diver, traveller, local, or ocean lover — everyone is welcome.Meet at Crystal Dive Restaurant at 9:30am.Come make a positive impact, meet like-minded people, and enjoy a great morning by the sea. Every piece of rubbish removed helps protect marine life and our beaches.