Ten Reasons to Dive SDI


Where adventure and learning begin™

 Ten reasons why you should DIVE with Scuba Diving International!



Scuba Diving International (SDI) has its roots deep in advanced diving. It was created by professional educators who knew what it took to educate qualified divers at all levels.

Technical Diving International (TDI) is the largest technical training agency in the world. It was the launch pad for SDI (SDI Letter Logo) and Emergency Response Diving International (ERDI), which is the first global training agency for public safety divers.

You will never outgrow the training opportunities offered by Scuba Diving International and its family of agencies.


Training with Scuba Diving International gives you lots of options for personal development. Following your first scuba course, Open Water Diver certification, there are literally dozens of continuing education opportunities. These courses prepare you to have safe fun diving your local waters or in oceans on the other side of the world. In addition SDI offers an easy-to-follow educational system for personal development, and a proven pathway to dive leadership should you desire a career as a dive professional. Divemaster, Assistant Instructor or Open Water Instructor are among the professional-level courses offered.


Scuba Diving International certifications are recognized worldwide. We have more than 28 international offices and thousands of SDI training facilities and instructors around the world. In addition we are members of World Recreational Scuba Training Council (WRSTC), Recreational Scuba Training Council (RSTC) USA, Canada and Europe, and SDI programs are approved by the European Underwater Federation (EUF). The certifications you earn with SDI will be accepted by charter operators, dive stores and dive destinations anywhere the adventure may take you!


From day one of your SDI experience you will notice that you are plugged into the most innovative educational system in the diving industry… worldwide!

Scuba Diving International was:

·         First to make online open water training mainstream.

·         First to present online specialties such as wreck, computer nitrox, deep and navigation.

·         First and only sport level Solo Diver™ program. (Knowledge every diver should poses, your Instructor will tell you more.)

·         First to release kids diving programs

·         First to teach “as you dive”, permitting students to learn to dive utilizing a Personal Dive Computer (PDC).


Experienced divers know that the quality of their instructor makes a real difference to the quality of their training. Scuba Diving International’s cadre of Open Water and Specialty instructors are among the leaders in the sport diving industry. Many also teach technical programs through TDI. With SDI you are assured that your well-being and education is in the hands of a dedicated professional who has worked through a rigorous training system to earn the coveted status of SDI Instructor.


Scuba Diving International training facilities built their reputations on putting extra effort into customer service. You are more than a number. So when you have a question about diving or dive travel, they are there to help you. After all customer service is a big part of a facility earning the coveted 5 STAR Rating, synonymous with excellence. When you become an SDI diver, you join our team of Associate Members and were always ready to help.

7.         e-FLUENT PEOPLE 

Scuba Diving International is an e-friendly organization. We are the world leader in convenient online diver training for open water and specialties like nitrox, wreck, deep and navigation… with more coming. The SDI boutique gear is also available directly from our online store, and will have you looking like an “old-salt” in no time. And there is a diver survey section that you can use to speak directly to SDI headquarters staff anytime.


Scuba Diving International uses new technologies and new media to speak with divers just like you. As an Associate Member of SDI you can opt into our Dive Log electronic newsletter, receive a complimentary issue of our award-winning glossy magazine, Diving Adventure or subscribe at deep discounts, and you can interact with Headquarters staff instructors on various internet dive forums such as ScubaBoard™.


With Scuba Diving International you are part of an organization that is making diving more accessible. For example, our Scubility™ program opens up the adventure of diving to the challenged. 

10.       TAKE THE LEAD

Scuba Diving International is the fastest growing training agency in the world because people like you demand the best in underwater education and the greatest level of access to materials. Join the leader in innovation, fun and progressive training. Join Scuba Diving International

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