Serpentine National Park - Serpentine National Park, best known for the waterfall that cascades over a sheer granite face, abounds with the scenic beauty of ancient landforms and verdant forest.

Shannon National Park - Shannon National Park is set in some of the most magnificent karri country in Western Australia's southern forest. The park covers the entire basin of the Shannon River, from its headwaters to the Southern Ocean.

Stirling Range National Park - Named after the first Governor of Western Australia, Captain James Stirling, the Park covers 115 671ha. There are many tracks providing easy access to wildlife and flowers.

Stockyard Gully National Park - Named after one of the stopping places used by drovers on the North Road Stock Route located north east of Lurien via Cockleshell Gully Road.

Stokes National Park - Located 80km west of Esperance, this National Park encompasses 10 000ha surrounding Stokes Inlet and features long beaches and rocky headlands backed by sand dunes and low hills.