Best 310 things to do in Duck Key, FL

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

Refresh your scuba skills in the pool before a guided reef boat dive

Complete your open-water certification after pool and classroom training

Complete your open-water course skills in Marathon

Explore Florida Keys reefs by snorkel, Snuba, or certified dive

Explore a shallow reef after dusk and take in the sunset on the ride back

Build advanced scuba skills through core dives and specialty electives

Learn legal spearfishing skills and earn an Underwater Hunter certification

Build scuba skills through pool training and boat dives

Paddle Marathon’s mangroves and seagrass flats in a clear tandem kayak with a guide

See marine life and reefs from a 46-foot glass bottom boat

Custom snorkeling through mangroves, reefs, and marine life

See coral reefs and marine life through a 46-foot boat's glass viewing area

Fish the Florida Keys reefs and wrecks aboard a 65-foot party boat

Reef and wreck fishing with crew help, bait, tackle, and fishing license included

Taste conch classics while uncovering Florida Keys history with a local historian

Fish shallow reefs for a varied catch on a private charter

Explore shallow waters and the lively scene at Islamorada's offshore sandbar

Target sharks and Goliath grouper in Florida coastal waters

Target tarpon around Islamorada’s channels, bridges, and Everglades waters

Fish Islamorada’s offshore waters for mahi-mahi, tuna, wahoo and more

Paddle winding mangrove tunnels with a guide in the Florida Keys

Paddle mangrove tunnels and saltwater flats as the Florida Keys day winds down

More time to target a variety of fish species