Local Marathon Dive Spots
Coffins Patch (10-25 ft)
A really nice shallow site with depths averaging 10-25 feet and lots of fish. This area is especially suited to snorkelers. The reef is located 3.5 miles southeast of Key Colony Beach and runs for 1.5 miles northeast and southwest.
Delta Shoals (10-25 ft)
The Delta Shoals are home to several wrecks, a vast network of coral canyons and elkhorn, brain and star coral heads.
Duck Key Wreck (25 ft)
This area, also called the Boiler Patch, is home to the remnants of a steam-powered freighter that went down in 1889. She is in 25 feet of water and is located 3.5 miles south of Duck Key.
East Washerwoman Shoals (10-20 ft)
With depths from 10-20 feet, this is a good site for snorkeling. Six miles southwest of Key Colony Beach.
Herman's Behind (15-65 ft)
Herman's Behind is a nice middle-keys reef with shallow slopes, a small drop-off, living coral, and many numerous and diverse species of fish. Herman's Behind is located 3.5 miles southeast of Key Colony Beach.
Herman's Hole (15-30 ft)
Herman's Hole is a circular coral and limestone ridge that drops 20 feet to the sand in the center, and 30 feet to the sand around the outside.
Ivory Wreck (15 ft)
One of the more interesting wrecks found on the Delta Shoals is the Ivory Wreck, an old slaver that ran aground in 1853.
Joanie's Reef (10-25 ft)
This is a great location for snorkeling, nurse shark sightings, and photography. This site is located 4 miles southeast of Key Colony Beach.
Sombrero Reef (20-35 ft)
Prior to the Civil War, the 142 foot Sombrero Key Lighthouse was constructed 8 miles offshore of Key Colony Beach. The Sombrero Reef extends from the base of the Sombrero Key Lighthouse. This protected reef area is one of the most spectacular in all of the Florida Keys. The shallow depths allow divers of all skills to enjoy this dive spot.
The Gap (55-80 ft)
Starting at 50 feet and dropping to 80 feet, The Gap is a beautiful wall dive with large coral heads rising 10 to 15 feet on the ocean side. The Gap is located four miles south-southeast of Key Colony Beach.
The Horseshoe (15-25 ft)
This reef gets its name from its curved horseshoe-like formation. An ideal spot for new divers, with depths ranging from 15 to 25 feet.
Thunderbolt Wreck (85-120 ft)
This 188-foot military ship is the jewel of the Marathon wreck fleet. Sunk intentionally as a dive attraction in March 1986, she now sits perfectly upright in 115 feet of water. The site is located 1 mile South-Southwest of Marker 20; 5 miles Southeast offshore of Marathon.
TILDEN’S SCUBA CENTER
4650 Overseas Hwy, Marathon, FL 33050
Open daily, 8-6. All trips are 4 hours and go to 2 different dive sites. Snorkeling, snuba, and scuba trips, night trips available. Rentals, sales, lessons, and certifications.www.tildensscubacenter.com
HALL’S DIVING CENTER
5050 Overseas Hwy, Marathon, FL 33050
Open daily, 9-6. Scuba and Snorkel Trips daily and Reef and Wreck Diving. Lessons, rentals, Sales and Repairs. See Office for more details.
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