Shoalwater Islands Marine Park

Shoalwater Islands Marine Park is a protected marine park off the coast of Rockingham, about 50 km south of Perth in Western Australia. Established in 1990, it encompasses a chain of limestone islands and surrounding waters including Penguin Island, Seal Island and Shag Rock. It is notable for its diverse marine wildlife, including little penguins, Australian sea lions, dolphins and extensive seagrass beds.

Visitors can expect a coastal marine environment with clear turquoise waters, limestone islands, sandy beaches and seagrass meadows. Access is via Mersey Point at Shoalwater, with ferry, glass-bottom boat, kayak and private boat access to islands. Penguin Island features boardwalks, viewing areas and a penguin discovery centre. Activities centre on wildlife viewing, snorkelling, swimming, boating and guided nature tours. Facilities are concentrated at the mainland visitor centre and jetty.