Ningaloo is one of the few great reefs you can reach without a boat. Along this remote stretch of Western Australia's coast the coral begins a few strokes off the white sand, where most large reefs lie far out to sea. Running about 260 kilometres, it is Australia's largest fringing reef. Every autumn it stages one of the ocean's most reliable gatherings of giants. Seven to ten days after the March full moon the corals spawn at once, clouding the water with billions of eggs. The plankton bloom that follows draws 300 to 500 whale sharks, the largest fish alive, to feed in the shallows into winter.
Slip off the beach at Turquoise Bay and a gentle current carries you over coral gardens busy with parrotfish and green turtles, the water clear enough to read the reef's texture from the surface. Manta rays glide here year-round, humpback whales pass close to shore on their winter migration, and from November to March green, loggerhead and hawksbill turtles haul up the sand to lay their eggs. Behind the lagoon the red canyons and limestone of Cape Range National Park rise straight from the beach, so the desert's rust, the white shore and the turquoise water meet in one view. The small towns of Exmouth and Coral Bay are the only gateways to this coastline, which stays largely undeveloped. The reef is a protected marine park, and swims with the whale sharks run only with licensed operators who limit how close you approach. In 2025 a marine heatwave pushed the water about four degrees above average and bleached most of the corals in Ningaloo's northern half — the most severe event yet recorded here. Bleached coral can recover, so what you find now varies stretch by stretch.