Western Australia · Attraction
Shell Beach
A beach built from billions of shells
schedule 1 min read / Updated Jun 2026
Shell Beach is one of only a handful of beaches in the world made entirely from shells rather than sand. Billions of Shark Bay cockles, a small burrowing mollusc found only in Western Australia, have accumulated over thousands of years to depths of up to 10 metres along a 70-kilometre stretch of Shark Bay coastline. The hypersaline water makes swimming effortlessly buoyant.
The remarkable accumulation of shells exists because the Shark Bay cockle thrives in the highly saline waters of L'Haridon Bight, where salinity is roughly double that of normal seawater. Few predators can survive these conditions, allowing shell populations to build up to extraordinary depths. The result is a dazzling white beach that contrasts sharply with the vivid blue-green water.
Early settlers recognised the shells as a practical building material. During the early 1900s, shells were quarried into compressed blocks used to construct several buildings in nearby Denham, including the Old Pearler Restaurant, which still stands today. Visitors can see evidence of the old extraction sites along the shore.
Shell Beach Conservation Park has no entry fee and is accessible by sealed road, 45 kilometres south-east of Denham. Swimming in the buoyant, salty water is a highlight. Dogs are not permitted, and the beach is part of the Shark Bay World Heritage Area managed jointly with the Malgana people.
Scenic views
Lookouts near Shell Beach.
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