Busselton Jetty and Underwater Observatory Busselton WA The Famous Busselton Jetty Experience and Underwater Observatory Busselton are WA Tourism favourite landmark icons as a 3km wooden jetty takes you to the Underwater Observatory UWO where spectacular under water marine sights will ensure the holiday experience of a lifetime. Busselton, Jetty, Experience, Buselton, Bussellton, WA, Underwater, Observatory Busselton are WA Tourism favourite landmark icons as a 3km wooden jetty takes you to the Observatory, UWO, spectacular, water, marine, sights, holiday, experience, Margaret River, Dunsborough