Yes, there are several underwater parks in South America. For example, the Fernando de Noronha Marine National Park in Brazil is an underwater park that covers more than 250,000 square kilometers and is home to a variety of marine life, including dolphins, whales, and sea turtles. Additionally, the Paracas National Reserve in Peru is an underwater park that features a wide variety of marine life, such as sea lions, penguins, and sea turtles.