If you only have time for one activity on Key Biscayne, skip the Seaquarium and head here for Sea Grass Adventures, in which a naturalist from the center introduces kids and adults to an amazing variety of creatures that live in the sea-grass beds of the Bear Cut Nature Preserve near Crandon Beach on Key Biscayne. You will be able to wade in the water with your guide and catch an assortment of sea life in nets provided by the guides. At the end of the program, participants gather on the beach while the guide explains what everyone has just caught, passing the creatures around in miniature viewing tanks. Call for available dates, times, and reservations. The center and grounds themselves are worth a visit, even if you opt not to participate in one of the scheduled programs.