| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Safety Bay | city | State of Western Australia | Australia | -32.3 | 115.7 | 3 | 4861 |
| Saint Ives | city | State of Western Australia | Australia | -31.3833333 | 121.8166667 | 1328 | 26 |
| Salgash | city | State of Western Australia | Australia | -21.2666667 | 119.8166667 | 823 | 0 |
| Salgash Mining Centre | city | State of Western Australia | Australia | -21.2666667 | 119.8166667 | 823 | 0 |
| Salmon Gums | city | State of Western Australia | Australia | -32.9833333 | 121.6333333 | 1076 | 33 |
| Salmon Guns | city | State of Western Australia | Australia | -32.9833333 | 121.6333333 | 1076 | 33 |
| Sandstone | city | State of Western Australia | Australia | -27.9833333 | 119.2833333 | 1827 | 0 |
| Sawyers Valley | city | State of Western Australia | Australia | -31.9 | 116.2 | 1007 | 6434 |
| Scaddan | city | State of Western Australia | Australia | -33.45 | 121.7166667 | 321 | 33 |
| Scarborough | city | State of Western Australia | Australia | -31.9 | 115.75 | 9 | 129591 |
| Scarborough Beach | city | State of Western Australia | Australia | -31.9 | 115.75 | 9 | 129591 |
| Seabird | city | State of Western Australia | Australia | -31.2791667 | 115.4444444 | 3 | 60 |
| Serpentine | city | State of Western Australia | Australia | -32.35 | 115.9666667 | 423 | 1355 |
| Shackleton | city | State of Western Australia | Australia | -31.9333333 | 117.8333333 | 1000 | 56 |
| Shark Bay | city | State of Western Australia | Australia | -25.9333333 | 113.5422222 | 3 | 4 |
| Shellborough | city | State of Western Australia | Australia | -20.0166667 | 119.3666667 | 3 | 139 |
| Shenton Park | city | State of Western Australia | Australia | -31.9583333 | 115.7972222 | 52 | 173758 |
| Shotts | city | State of Western Australia | Australia | -33.3833333 | 116.2666667 | 807 | 630 |
| Siberia | city | State of Western Australia | Australia | -30.2333333 | 120.95 | 1643 | 42 |
| Smailes Mill | city | State of Western Australia | Australia | -32.1 | 116.1833333 | 954 | 13242 |
| Soansville | city | State of Western Australia | Australia | -21.5166667 | 119.15 | 1128 | 0 |
| Soansville Mining Centre | city | State of Western Australia | Australia | -21.5166667 | 119.15 | 1128 | 0 |
| South Burracoppin | city | State of Western Australia | Australia | -31.5666667 | 118.1166667 | 997 | 144 |
| South Kalamunda | city | State of Western Australia | Australia | -31.9833333 | 116.0666667 | 895 | 18246 |
| South Kulin | city | State of Western Australia | Australia | -32.7333333 | 118.0833333 | 1023 | 19 |
| South Kumminin | city | State of Western Australia | Australia | -32.2 | 118.3333333 | 997 | 33 |
| South Lake Vasley | city | State of Western Australia | Australia | -32.8333333 | 119.5333333 | 1227 | 19 |
| South Quaisading | city | State of Western Australia | Australia | -32.1666667 | 117.4666667 | 964 | 69 |
| South Tammin | city | State of Western Australia | Australia | -31.8 | 117.5333333 | 987 | 61 |
| South Trayning | city | State of Western Australia | Australia | -31.2333333 | 117.7833333 | 1000 | 33 |
| South Walgoolan | city | State of Western Australia | Australia | -31.4833333 | 118.5833333 | 1223 | 73 |
| Southern Brook | city | State of Western Australia | Australia | -31.55 | 116.8333333 | 823 | 286 |
| Southern Cross | city | State of Western Australia | Australia | -31.2166667 | 119.3166667 | 1509 | 14 |
| Spargoville | city | State of Western Australia | Australia | -31.2333333 | 121.4666667 | 1423 | 28 |
| Spearwood | city | State of Western Australia | Australia | -32.1 | 115.7833333 | 85 | 55746 |
| Speddingup | city | State of Western Australia | Australia | -33.5166667 | 121.75 | 531 | 33 |
| Spencers Brook | city | State of Western Australia | Australia | -31.7333333 | 116.6333333 | 698 | 1186 |
| Spring Hill | city | State of Western Australia | Australia | -31.7166667 | 116.6833333 | 633 | 782 |
| Stathams | city | State of Western Australia | Australia | -31.9333333 | 116.05 | 551 | 12335 |
| Station Peak | city | State of Western Australia | Australia | -21.1666667 | 118.1833333 | 682 | 0 |
| Station Peak Mining Centre | city | State of Western Australia | Australia | -21.1666667 | 118.1833333 | 682 | 0 |
| Stoneville | city | State of Western Australia | Australia | -31.8833333 | 116.1666667 | 1000 | 6434 |
| Stoneville | city | State of Western Australia | Australia | -30.8666667 | 121.7666667 | 1387 | 42 |
| Strelley Gorge | city | State of Western Australia | Australia | -21.1166667 | 119.05 | 849 | 0 |
| Strelly Gorge | city | State of Western Australia | Australia | -21.1166667 | 119.05 | 849 | 0 |
| Subiaco | city | State of Western Australia | Australia | -31.95 | 115.8 | 59 | 173758 |
| Sussex Mill | city | State of Western Australia | Australia | -33.8833333 | 115.7333333 | 278 | 47 |
| Swan View | city | State of Western Australia | Australia | -31.8833333 | 116.05 | 449 | 8621 |
| Swanbourne | city | State of Western Australia | Australia | -31.9666667 | 115.7833333 | 36 | 106644 |