Directory of Marathon Diving CAPTAIN HOOK'S MARATHON 11833 Overseas Hwy. (MM 53) Marathon FL 33050 (800) -800 (305) 743-2444 E-mail Website KADO Member Blue Star Operator TripAdvisor Dive with the most abundant marine life in the Keys! Take a short boat ride to two different reef locations and explore the wonders beneath the surface. You’ll spend an hour at each location with a complimentary in-water dive master. Book now! Dive Isla Bella Diving, Snorkeling, SNUBA at Isla Bella Beach Resort 1 Knights Key Blvd., MM 47 Marathon FL (305) 743-7255 Blue Star Operator Tilden's Scuba Center 4650 Overseas Hwy (MM 49.5) FL (305) 743-7255 Blue Star Operator A Deep Blue Dive Center Diving and Snorkeling 400 Sadowski Causeway Key Colony Beach FL 33051 (305) 743-2421 Better than Most Watersports & Diving Charters Banana Bay Resort 4590 Overseas Highway Marathon FL 33050 (305) 432-1214 Discount Divers Diving Equipment Sales 10800 Overseas Hwy. Marathon FL 33050 (305) 743-2400