"Under the South Florida Sea The Miami Seaquarium is a 38-acremarine entertainment park and 300,000-gallon reef aquarium inKey Biscayne that’s home to dolphins, sea lions, sea turtles, and manatees. Among the many activities on offer, you can book penguin and dolphin encounters, feed the sea lions, swim with harbor seals, and helmet dive in the reef aquarium. There’s also an aerial obstacle course and a playground for families, and you’ll learn about the Seaquarium’s efforts to rescue and rehabilitate endangered sea turtles and manatees and to protect the area’s reefs and oceans."