United Divers, Somerville

Whether they're learning to snorkel before going on vacation or aiming to be diving instructors, United Divers is the place for snorkeling and scuba-diving students. The folks at United Divers work with all ages and experience levels, giving everyone the opportunity to experience the vastness of the ocean in a safe, fun way. New divers can test the waters during discover SCUBA courses, getting hands-on experience during dives in a heated indoor pool. They also have a retail shop, where customers can pick up a variety of authorized equipment, get their tanks filled, or see which mask really brings out the color of their eyes.