Top Rated Diving in Marathon, FL Keys! Booking Is Fast & Easy! Book Now Clicking Book Now will take you where you can select your dates and book your trip! Marathon Reef Dive Trip - Click Here Marathon Night Dive - Click Here Dive Instruction - Click Here Questions? Call (305) 872-9863 to speak with our friendly staff! "I have been diving with this shop for 7 years and had amazing dives each time! The crew, Capt Bob, DM Lee and DM Eric along with Capt Michael are the very best in the Keys. The owners and indoor staff are easy to work with and make sure each dive trip out , is better than the last one."– Susan C. Book Now "Their captains, dive masters and first mates are seasoned and know exactly what they are doing. We had Lee as a divemaster and he was always aware of where "we" were and what our gauges were reading."– Lisa. Book Now "My family and I just finished snorkeling with Lee, Ashlynn and Captain Bob. They were fantastic! I would recommend them again and again and again."– James Gill Book Now Home About Us Locations Privacy Policy