Gnarabup Beach, Protected swimming beach in Margaret River, Australia

Gnarabup Beach is a 1.6-kilometre-long, up to 40-metre-wide sandy beach near Prevelly in Western Australia. It faces west and is reached by several footpaths. The beach is not patrolled by lifeguards.

The beach became a central swimming location in the early development of Margaret River tourism. Over the decades, the bay evolved into a key training site for local lifesaving programs.

Gnarabup Beach lies beside the settlement of Prevelly, and its name is used for the surrounding locality as well as the sand itself. The 1.6-kilometre shoreline is reached by several footpaths, so bathers arrive on foot from the nearby streets rather than through a formal beachfront precinct.

Gnarabup Beach is 1.6 km long and up to 40 m wide, opening west toward the Indian Ocean. Several footpaths lead down to the sand, and the beach is not patrolled by lifeguards, so swimmers should judge conditions themselves. It lies beside the town of Prevelly in Western Australia's south.

Gnarabup Beach runs 1.6 km from end to end and reaches up to 40 metres in width, opening west toward the Indian Ocean. No surf lifesavers patrol the sand, so swimmers here do so without a flagged patrol zone. Several walking paths lead down to the beach.