Best 331 things to do in Key Colony Beach, FL

T-top comfort and 250 HP power for your Marathon boating day

Snorkel the reef, cruise the harbor, and toast the sunset

Explore Sombrero Reef with fitted gear and crew guidance

Tailor a luxury vessel day with fishing, swimming and waterfront fun

Learn kiteboarding fundamentals with cable towing in 1.5 hours

Learn to ride with a private 2-point cable session at Keys Cable Park

Sail to a local sandbar aboard a captained Hobie Cat

Learn to e-foil in 1–2 hours with up to 3 riders

Jump, climb, and slide across a floating obstacle course

Choose reef, offshore, swordfish, or island adventures with a captain at the helm

Fish the Florida Keys with a captain aboard a 39-foot private boat

Captain-led fishing and island eco tours with gear and licenses included

Fish the flats, bays, and bridges with a captain and gear included

Choose flats, reef, wreck, tarpon or offshore fishing on a private boat

Choose reef, offshore, or island fishing on a private charter

Sunset views of Boot Key Harbor and Seven Mile Bridge from the water

Sightsee around Marathon, then float and paddle at a local sandbar

Cruise Marathon waters, swim for sand dollars, and enjoy a morning mimosa

Build confidence through instructor-supervised advanced scuba dives

Explore two Florida Keys reef sites by snorkeling, Snuba, or certified diving

Explore a Historic Wreck on a Guided Deep Dive

Charter a private dive boat with a captain, divemaster, and gear for up to 10 divers

Dive a shallow reef at dusk and take in sunset views on the ride back

Build scuba skills in the pool, then dive a shallow reef with an instructor