Garie Beach, Sandy beach in Royal National Park, Australia

Garie Beach is a patrolled sandy beach in the lower Royal National Park, about 37 km south of Sydney, and the southernmost beach in the Greater Sydney area. It faces east toward the Pacific Ocean and is backed by the Garie Valley, where a 175-space carpark and the Garie Beach Surf Safety Centre stand behind the foredune.

Garie is either a Dharawal word for "sleepy" or a corruption of Geaty, a bushranger who camped here; both explanations are recorded without a settled answer. In 1954 the beach served as a filming location for the film Long John Silver. The Garie Boardriders Club has run continuously since 1978.

Garie is home to the Garie Boardriders Club, which has run continuously since 1978 and averages just over 100 members; in 2014 its books listed more than 700, with older members returning to compete in senior and masters divisions. The club is affiliated with Surfing Illawarra, Surfing NSW and Surfing Australia, and its members have competed at Australian Titles level.

The beach has a parking area with roughly 175 spaces, restrooms, and a surf information center for visitors. Lifeguards are on duty during summer holidays and weekends to watch over swimmers.

Garie Beach was a filming location for the 1954 film Long John Silver. The beach is also home to the Garie Boardriders Club, which has run continuously since 1978 and listed more than 700 members in its 2014 books.