Best 332 things to do in Marathon, FL

Cruise by catamaran to Money Key for beach time and flat snorkeling

Private fishing and island adventures with a captain

Fish reefs and offshore waters or mix in swimming, sandbars, and island hopping

Settle into a shaded floating cabana for tropical lounging and easy water access

Learn kiteboarding fundamentals with cable towing in 1.5 hours

Book a private cable-riding session for groups of 12+ at Keys Cable Park

Take your board skills from strapless surfboard to foil

Shallow-water family boating for sandbars, reefs, and snorkeling

Snorkel Coffins Patch Reef, then swim and relax at Valhalla Sandbar

Learn core scuba skills and explore depths up to 40 feet

Explore reefs, a shipwreck, or a sandbar on your private charter

Build skills for safe non-penetration wreck dives

Learn to explore wreck interiors with advanced diving techniques

Rebuild confidence underwater with a focused scuba skills refresher

Get more from your dive computer with practical feature and function training

Learn to plan dives with Nitrox mixes up to 40% oxygen

Learn safe boat-diving techniques with two open-water dives

Build precise buoyancy skills for more controlled dives

Build underwater navigation skills and earn an SSI specialty certification

Develop the skills to search, rig, and recover underwater objects safely

Understand shark behavior and build confidence around sharks

Learn to identify rays and understand their role in healthy ocean ecosystems

Learn to identify reef fish and earn an SSI specialty certification

Learn to identify corals and earn an SSI specialty certification