Rottnest Island Rottnest Island (known as Wadjemup to the local Noongar people, and otherwise colloquially known as Rotto) is an island off the coast of Western Australia, located 18 kilometers (11 mi) west of Fremantle and Perth. It is a popular tourist destination located off the coast of Western Australia, near the city of Perth. It … Continue reading AustraliaRottnest Island, West Australia