Perth and Fremantle Tour with Optional Swan River Cruise. Discover the coastal charm of Perth and Fremantle on this diverse half-day sightseeing tour. Take in views of the cityscape from treetop walkways at Kings Park Botanic Gardens, and then get a closer look at cultural landmarks on a narrated coach tour. Head to the coast to admire the famous sandy stretches of Cottesloe Beach and soak up the seaport ambience of historic Freemantle. Upgrade to include a return cruise to Perth along the scenic Swan River. Book and Save 20%! Perth and Fremantle Tour with Optional Swan River Cruise.