Abyss Dive Center is a PADI 5 Star Instructor Development Center located in Marathon, at Florida Keys mile marker 53.5. We are ocean side and a short boat ride away from over 50 dive sites along 14 miles of prolific reefs and history filled wrecks! Abyss is a full service dive center open 7 days a week from 8:00am to 5:00pm. We offer scuba training from entry level through PADI Instructor training, Divers Alert Network provider courses through DAN Instructor courses, USCG OUPV to 100 Ton Master Captain license. We offer complete Scubapro rental equipment, which is replaced yearly, as well as a full diving sales inventory and equipment service. We take pride in featuring Scubapro dive equipment.