Boston SCUBA Inc is a full-service dive operation in East Boston, Massachusetts, offering PADI instruction, a dive charter boat, and a fully stocked dive shop. The centre's 31-foot charter boat "Keep-Ah" departs from Boston Harbor to explore local wrecks and dive sites including Grave's Lighthouse, the City of Salisbury wreck, Calf Island, and Outer Brewster Island. Courses range from beginner through Divemaster level, with a maximum of 6 divers per charter.