Take a one of a kind boat tour to visit the dolphins in their natural habitat. South Padre Island Dolphin Research & Sealife Nature Center offers a dolphin experience like no other with just six people on board the boat plus the captain and the dolphin dog. THE SEALIFE CENTER also has many rescue animals such as Domino, the giant tortoise, turtles, iguana , and fish that are non native and can never be released. Visit them here.