Snorkel with the fishies, spend a day on a boat, relax on the beach, or suit up for a scuba dive at Biscayne National Park. This park is the largest marine park in the National Park System and protects four ecosystems: a stretch of mangrove forest along the shoreline, the southern portion of Biscayne Bay, the northern Florida Keys, and a part of the world's third-longest living coral reef. All of these ecosystems mean that there's plenty of nature to explore here. There's also a visitor center on site with an art gallery featuring works inspired by the park and other attractions.
Climb the heights of the indoor peaks at X-treme Rock Climbing. This climbing gym provides indoor rock climbing and lessons, along with a full exercise area and yoga instruction. Before you set out on the 14,000-square-feet of climbing space, you have to sign a waiver and if you're going to enjoy rope climbing you have to pass a Belay Safety Test.
Journey through the city on an amphibious vehicle with Duck Tours South Beach. On the tour, you'll see important Miami landmarks and neighborhoods, then you'll set sail on the waters of Biscayne Bay to see the sights surrounding, including the lavish homes of the rich and famous that line the coast of Star Island.