| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Spacette Mobile Home Community | city | Washington | United States | 47.81 | -122.33 | 400 | |
| Spaids Unique Manor and Estates Mobile Home Park | city | Washington | United States | 47.28 | -122.22 | 387 | |
| Spanaway | city | Washington | United States | 47.10 | -122.43 | 390 | |
| Spanaway Mobile Village | city | Washington | United States | 47.07 | -122.41 | 400 | |
| Spangle | city | Washington | United States | 47.43 | -117.38 | 2509 | |
| Spee-Bi-Dah | city | Washington | United States | 48.09 | -122.32 | 127 | |
| Sperry | city | Washington | United States | 46.70 | -118.41 | 1122 | |
| Spirit | city | Washington | United States | 48.83 | -117.65 | 1998 | |
| Spocanum | city | Washington | United States | 47.66 | -117.43 | 1919 | |
| Spokane | city | Washington | United States | 47.66 | -117.43 | 1919 | |
| Spokane Valley | city | Washington | United States | 47.67 | -117.24 | 2509 | |
| Sprague | city | Washington | United States | 47.30 | -117.98 | 1998 | |
| Spring Beach | city | Washington | United States | 47.35 | -122.53 | 200 | |
| Spring Beach | city | Washington | United States | 47.74 | -122.37 | 282 | |
| Spring Glen | city | Washington | United States | 47.56 | -121.86 | 98 | |
| Spring Glen Mobile Home Park | city | Washington | United States | 47.56 | -121.86 | 180 | |
| Spring Valley | city | Washington | United States | 47.27 | -117.28 | 2509 | |
| Spring Valley Mobile Home Park | city | Washington | United States | 47.26 | -122.34 | 98 | |
| Springdale | city | Washington | United States | 48.06 | -117.74 | 2509 | |
| Spruce West Mobile Home Park | city | Washington | United States | 48.08 | -123.12 | 209 |