Manati Theme Park and Marinarium in Punta Cana give you a chance to get close to the marine life, as well as other fauna found in Dominican Republic.
If you are an animal lover, Manati Park is your place to be. They've got dolphins, sea lions, parrots, iguanas, crocodiles, and many more animals, some of which perform to entertain the visitors. You also get a chance to swim with dolphins, and take a selfie with them. If you're willing to have closer look at coral reefs and swim with sting rays and sharks, the Marinarium will arrange a tour for you, also giving you options of getting on a sailing cruise.