The Rayong Aquarium is located about 4km from Ban Phe's pier. It is a large aquarium with a tunnel that allows visitors to see various beautiful fish as well as creatures living in the mangrove forest such as cuttlefish, crab, giant clam, and horseshoe crab. There is also an outdoor aquarium that houses various marine life. There is a turtle pond and a fish pond. Visitors can witness the real underwater world in a special pond that houses starfish, anemone and sea cucumber.