Featured Sites:
- Sailing, diving and fishing charters for the entire Florida Keys and the Bahamas.
- All Florida Keys scuba charters all inclusive catamaran sailing . Key West diving - Our specialty.
- Sailing, diving and fishing charters for the entire Florida Keys.
Voted best collection of underwater and diving photos.
- Sailing, diving and fishing charters for the entire Florida Keys
Dive certification information
- "The Way the World learns to dive" . World famous certification courses, diving news & latest updates. Online training, technical & divemaster courses. Diving news, Worldwide, environmental & regional
Since 1960, Instructor members of the National Association of Underwater Instructors - NAUI Worldwide - (the most respected certification agency) have been training people to be the best skin and scuba divers in the world - to dive safely and to have fun!
NAUI Membership - The Path to Excellence! View the NAUI Training Progression and read more about the excitement and challenges that await you.
- Divers Alert Network (DAN) is a 501(c)(3) non-profit medical and research organization dedicated to the safety and health of recreational scuba divers and associated with Duke University Medical Center (DUMC). DAN is supported by the largest association of recreational divers in the world.
Diving Equipment
manufactures and markets a complete line of diving equipment ranging from some of the world's best performing regulators to a complete line of masks, fins, and snorkels for the recreational Scuba diver and Snorkeler.
For over four decades Sea Quest has been the leader in buoyancy compensator design, development and manufacturing. Sea Quest led the industry with the development of more unique designs than any other BC manufacturer.
is one of the leading manufacturers of diving instruments and the world's leading manufacturer of wrist-top computers and field compasses. With over fifty engineers, Suunto offers the most advanced dive computers in the world. Their commitment to safety and superiority is unparalleled. Suunto's technology and design will exceed your highest standards and serve as your most trustworthy companion in the world of underwater adventure.
Dive & Cruise Magazines:
Scuba Diving magazine portal -
travel, dive vacation planning, scuba diving news, & diving gear reviews & shopping.
We provide a monthly wealth of timely information for sailors united by their love of cruising, no matter what size boat they own, from small trailer-sailers to large, ocean-going yachts. Our articles cover a wide variety of topics, from easy destination pieces (swaying palms, warm sand beaches; spruce-scented mist...) to fairly complex technical subjects (celestial navigation, marine refrigeration).
reviews performance production boats and equipment, and developments in technology at the top end of sailboat racing. Find here new ideas in the area of design, rating and racing rules, professionalism, safety, rigging, gear and electronics.
Marathon Dive Charters
ABYSS DIVE CENTER, 12565 Overseas Hwy., MM 53.5, Marathon, 305-743-2126, 800-457-0134
CAPT. HOOK'S MARINA & DIVE CENTER, 11833 O/S Hwy, Marathon, 305-743-2444
DEEP BLUE DIVE , 400 Sadowsky Causeway, Key Colony Beach, 305-743-2421, 800-978-DIVE
DISCOUNT DIVERS/HURRICANE AQUA CENTER, 10800 O/S Hwy., Marathon, 305-743-2400
DUCK KEY DIVERS , Hawk's Cay Resort, Duck Key, 305-289-4931
Fantasea Divers - MM 49.5, Big Pine Key,305-743-5422.
FISH 'N FUN BOAT RENTALS & WATERFRONT BAIT & TACKLE, 7196 Overseas Highway, Marathon, 305-743-2275
HALL'S DIVING CENTER, 1996 O/S Hwy, Marathon, 305-743-5929, 305-289-7669
ISLAND RAIDER CHARTERS, 48 Coco Plum Dr., Marathon, 305-289-9662
Looe Key Resort- MM 27.5, Ramrod Key, 872-2215. Full service dive shop.
MIDDLE KEYS SCUBA CENTER, 11511 O/S Hwy, Marathon, 305-743-2902
MULTINATIONAL DIVING EDUCATORS ASSOC., Marathon, 305-743-6188
Strike Zone - MM 29.5, Big Pine Key, 1-800-654-9560. Largest glass bottom boat in the lower Keys.
TILDEN'S SCUBA CENTER, 4650 Overseas Hwy, Marathon, 888-SCUBA-FL, 305-743-7255
TWO CONCHS CHARTERS, Marathon, 305-743-6253
Underseas, Inc.- MM 30.5, Big Pine Key, 872-2700. Four dive boats, PADI, Underwater camera sales & rentals.
Marathon Diving Sites:
SOMBRERO REEF -6-25 feet - Novice divers
Around Sombrero Light, this beautiful reef features well-defined spurs or fingers of reef building corals separated by wide channels of gleaming white sand. Brilliant colors and diverse marine life make this a most popular dive site along with a eight feet high natural coral bridge known as "The Arch".
DELTA SHOAL - 6-25 feet - Novice divers
Another popular dive site eastward of Sombrero Light, features massive coral fingers and broad expanses of sandy bottom that separate the spurs that form this reef. Two interesting wrecks lie in this area - the Delta Shoals Barge behind the east end features typical shallow water soft corals and an abundance of fish life, perfect for snorkeling. The other is the Ivory Coast Wreck, a sunken slave ship lost in 1853, although little is recognizable any more.
COFFINS PATCH - 10-25 feet - Novice divers
Shallow dive locations throughout the middle reefs. Most are typically no deeper than 25 ft. and all feature an abundance of fish and a variety of coral growth.
THUNDERBOLT - 75-120 feet - Advanced divers
A 188 ft. research vessel once used for studying lightning and sunk in 1986, rests upright in 120 feet of water. At 85 feet, her bow is dominated by a huge horizontal reel, dropping over the stern of the vessel divers can examine huge twin props. Large hatches off the main deck open into the engine compartments where it is possible to descend into the hull to 110 feet.
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