Miami Seaplane Tours - aerial tours over the park. Contact for scheduling and booking. Sea planes do not land in the park. Located at 3401 Rickenbacker Causeway, Key Biscayne, 305-361-3909. Guided Tours - Biscayne National Park (U.S. National Park Service) Ocean Force Adventures - Stiltsville and Biscayne Bay tours. Daily two hour tours depart from Miami Beach marina. No in-water activities, 305-372-3388. Thriller Miami - speedboat, Stiltsville and Biscayne Bay tours, departs daily. No in-water activities, 305-373-7001.