| Site Name | Area | Last Modified |
|---|---|---|
| SHUTE SHELVE CAVERN | Mendip | 02 Jun 2019 |
| Shepherd's Shaft | Mendip | 02 Sep 2022 |
| SHATTER CAVE | Mendip | 19 Jun 2023 |
| SAYE’S HOLE | Mendip | 13 Jan 2023 |
| SANDY HOLE | Portland (Dorset) | 10 Jun 2020 |
| SANDFORD LEVVY | Mendip | 20 Apr 2013 |
| SANDFORD HILL | Mendip | 20 Apr 2013 |
| SAND MINES AT REIGATE AND GODSTONE VILLAGE | East Surrey Mines | 28 Nov 2023 |
| RUSHY GROUND SWALLET | Mendip | 19 Apr 2013 |
| Rose Cottage Cave | Mendip | 07 Dec 2021 |