Clubs
| Name | Participants | Participations |
|---|---|---|
| Coogee SLSC (NSW) | 611 | 1870 |
| Cooks Hill SLSC | 128 | 741 |
| Coolangatta SLSC | 77 | 311 |
| Coolum Beach SLSC | 287 | 593 |
| Copacabana SLSC | 36 | 76 |
| Corindi (Lifeguards) | 0 | 0 |
| Corrimal SLSC | 127 | 232 |
| Cottesloe (Lifeguards) | 0 | 0 |
| Cottesloe SLSC | 342 | 687 |
| Cowes (Lifeguards) | 0 | 0 |
| Crescent Head (Lifeguards) | 0 | 0 |
| Cronulla SLSC | 628 | 3122 |
| Crookhaven (North Culburra Beach) (Lifeguards) | 0 | 0 |
| Crowdy Head (Lifeguards) | 0 | 0 |
| Crowdy Head SLSC Inc | 2 | 1 |