A Deep Blue Dive - Marathon and the Key's best source for all of your scuba, snorkel, and boating needs

Two reef trips daily departing at 8:30 AM and 1:00 PM. Check in is 30 minutes prior to departure. Come aboard and explore the pristine waters of the only living coral reef in North America, and part of the Florida Keys National Marine Sanctuary. We are dedicated to making your diving experience the absolute best.