Best 331 things to do in Key Colony Beach, FL

Ride Marathon waters with a guide, island views, and sandbar stops

Glide across the Florida Keys and explore the marine ecosystem

Paddle calm coastal waters and look for local wildlife

Ride a Jet Ski from Grassy Key Marina in Marathon

Fish, dive, and explore the Florida Keys with onboard navigation and water access

Twin-engine power, fishing features, and free delivery for your time on the water

Offshore-ready weekly boat rental with twin Yamaha power

Explore offshore waters with GPS navigation, fishing features, and complimentary delivery

Explore the Florida Keys for fishing and diving aboard a fuel-efficient Boston Whaler

Offshore trolling and sandbar days aboard a 250hp Boston Whaler

Fly privately above Marathon's Seven Mile Bridge and Florida Keys coastline

Explore historic grounds, natural trails, and a fish pedicure

Set out to fish from a 20-foot Cape Horn center console

Fish and visit the sandbar aboard a 21-foot center-console

Fish or dive from a 25-foot Proline with a fin-friendly boarding ladder

A shaded center-console boat for flexible time on the water

A family-friendly boat for sandbars, reefs, and fishing

Explore sandbars, snorkeling spots, and fishing areas by boat

Get out on the water aboard a shaded 24-foot deck boat

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

Cruise to a Florida Keys sunset and relax at the Valhalla Sandbar

Cruise Seven Mile Bridge at sunset with a private captain and champagne toast

Snorkel Sombrero Reef, then relax at Molasses Key sandbar

Snorkel Sombrero Reef, then float and relax at Molasses Key Sandbar