In the Upper Keys, Take the glass-bottom boat tour at Pennekamp Coral Reef State Park, swim with Dolphins at Dolphins Plus or take a snorkeling trip, party fishing boat trip or sunset cruise on a catamaran out of the marina at mile marker 100. In Islamorada, feed the Tarpon at Robbie’s Marina, or explore the Florida Keys History Museum. In Marathon and the lower keys, visit the Dolphin Research Center and Turtle Hospital. In Key West, take the Conch Tour Trolley Tour, visit Mel Fisher’s Shipwreck Museum, or tour Ernest Hemmingway’s Home The options are endless…