Open Water Scuba Course Complete all of the academic requirements for your entry-level scuba diver certification online. You can get started right now and, when you are done, you will then complete your in-water skill-development sessions and final open-water training dives at a local SDI Dive Center close to home, or at a popular vacation de... Find Out More

SDI Computer Nitrox Nitrox is a breathing gas that has a lot of benefits for both new and experienced divers. This course will cover the use of nitrox mixtures from 22 to 40 percent oxygen. Find Out More