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Open Water Diver Certification

With personalized training and taking enough time, we make sure you are truly comfortable underwater with the skills and equipment you will use. In general, an Open Water Diver course consists of 3 parts: Academics, Pool Training and Open Water Sessions.


SSI Training Materials and Online Training program are designed so that you can learn the academics at your own pace. Making learning convenient for you. Get a jump-start on the academic portion of your class by signing up with SSI Online and taking online training for FREE!

Pool Training:

During pool and open water training, your instructor will fit you to your scuba equipment. We make sure you’re comfortable in your “second skin”. This part of the course is spent learning all the necessary skills to be a safe diver in the real world. Our indoor pool is on-site and heated year-round.

Open Water Sessions:

Open Water sessions consist of 4 or more required dives. This is when you have the chance to experience everything we practice in the pool. After successful completion of your open water training dives, you will become a Certified Diver! SSI Open Water Diver certifications are recognized worldwide. Take your certification card wherever you go for limitless diving experiences. If you wish to do your open water dives in an exotic location we can help coordinate your adventure.

The fun doesn’t need to stop there! With just a little more training, you can go even further – imagine diving in underwater shipwrecks, with sharks, or becoming an underwater photographer! Check out all of the exciting Specialty Programs you can get involved in. It’s your chance to move to the next level in your diving adventures. SSI will be a reliable buddy accompanying you on your way.

Are you interested in diving, but want an introduction into Scuba before certification? Learn more about our Try Scuba class! Certification classes are available for those aged 10+. For younger kids check out our Scuba Rangers program.



  • Ph: (603) 889-7655
  • DJ Square – 704 Milford Road
  • Merrimack, NH 03054
  • Hours: Tuesday-Friday  10am - 6pm
                Saturday            10am - 4pm
                Closed Sunday & Monday