- Sabina River
- Saddle Island
- Saint Ives
- Salgash
- Salmon Gums
- Sandstone
- Scaddan
- Scotsdale
- Scott River
- Scott River East
- Scotts Brook
- Seabird
- Shackleton
- Shaw
- Shellborough
- Shotts
- Shultz Cairn
- Siberia
- Siesta Park
- Sinclair
- Smailes Mill
- Smith Brook
- Soansville
- South Burracoppin
- South East Twin Island
- South Kalamunda
- South Kulin
- South Kumminin
- South Kununoppin
- South Lake Vasley