There are several whale watching and sightseeing tours that depart from different boarding points along Western Australia’s coast. If you're based in Perth, the Barrack Street Jetty is the main hub, it’s centrally located and ideal for Swan River cruises or day trips to Fremantle. But if whale watching is your goal, consider heading south to Mandurah, Dunsborough, or Augusta, where cruises take you closer to marine life and the natural drama of WA’s coastline.