Townsville is a coastal city in northeastern Queensland, Australia. The Strand esplanade, with its pier and water park, is popular. The Reef HQ Aquarium has marine life and coral from the Great Barrier Reef, plus a sea turtle hospital. Southeast of the city, the Billabong Sanctuary wildlife park is home to koalas, wombats and crocodiles. Offshore, Magnetic Island has coral reefs and a national park full of wildlife.