North Button Island National Park is a national park in the Andaman and Nicobar Islands along the coast of India. The park is about 44 square miles (114 km2) and home to many creatures such as the dugong and the dolphin.North Button Island National Park was set up in 1979 and situated in the Andaman district. It is 60 km away from the nearest town of Long Island and the airport is Port Blair which is at a distance of 200 km from the Park. The best months for visiting the park are from December to March. The fauna found here constitute of dugong, dolphin, water monitor, lizard etc.