The Quarry Amphitheatre is an outdoor venue located close to the ocean in Floreat, Western Australia. It has a 19 by 13.5 m sprung wooden stage and changing facilities for around 80 performers. It was officially opened on 9 November 1986 and is operated by the Town of Cambridge. The amphitheatre is located in an old limestone quarry, first quarried in 1834 by Henry Trigg. The limestone from the quarry being used for construction, and lime-burning.