| Stefani, Parker | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stansfield, Candice | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stairs, Cameron | Recreation Leader, Senior | Recreation & Senior Services | | |
| Stahl, Christopher | Recreation Leader, Senior | Recreation & Senior Services | | |
| Spangler, Linnea | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Soto Valladolid, Barbara | Recreation Coordinator | Recreation & Senior Services | 949-718-1861 | |
| Soto Valladolid, Felipe | Recreation Coordinator | Recreation & Senior Services | 949-644-3163 | |
| Snyder, Ryan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Smith, Annika | Recreation Leader, Senior | Recreation & Senior Services | | |
| Smith, Riley | Recreation Leader, Senior | Recreation & Senior Services | | |
| Sinacori, Georgia | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Sinacori, Lorelai | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Shapirshteyn, Bryan | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Serbeniuk, Gary | Recreation Leader, Senior | Recreation & Senior Services | | |
| Schmillen, Justin | Deputy Recreation & Senior Services Director | Recreation & Senior Services | 949-644-3160 | |
| Schilling, Arianna | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Schilling, Chloe | Recreation Coordinator | Recreation & Senior Services | 949-644-3154 | |
| Schaeffer, Lauren | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Santoni, Shane | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Sanchez, Jasmine | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
