The Rottnest Channel Swim Association is the team behind one of the world’s most iconic open water events, the 19.7km crossing from Cottesloe Beach to Rottnest Island. With a focus on safety, excellence, and community spirit, the Association supports solo swimmers, duos, and teams in tackling this legendary challenge. Beyond the big day, they foster a culture of open water swimming in Western Australia and celebrate the enduring spirit of the sport.