| Lake | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Shalala | Province of KwaZulu-Natal | -27.05 | 32.25 | 37 | 121 |
| Shelley's Lake North | Province of KwaZulu-Natal | -27.9333333 | 32.5666667 | 12 | 39 |
| Shelley's Lake South | Province of KwaZulu-Natal | -27.95 | 32.5666667 | 6 | 20 |
| Shepstone Lake | Province of KwaZulu-Natal | -27.85 | 30.1666667 | 1227 | 4026 |
| Sigwenyaneni | Province of KwaZulu-Natal | -28.8166667 | 31.8333333 | 24 | 79 |
| Sirkelsvlei | Province of the Western Cape | -34.2666667 | 18.4166667 | 100 | 328 |
| Sivunguvungu | Province of KwaZulu-Natal | -27.0666667 | 32.25 | 38 | 125 |
| Skilpadvlei | Province of the Western Cape | -34.3166667 | 18.45 | 95 | 312 |
| Soetendalsvlei | Province of the Western Cape | -34.7166667 | 19.9833333 | 4 | 13 |
| Sokhunti | Province of KwaZulu-Natal | -27.0333333 | 32.2833333 | 42 | 138 |
| Sout Pan | Province of the Western Cape | -34.1166667 | 18.3833333 | 5 | 16 |
| Soutpan | Province of the Western Cape | -34.7333333 | 19.9333333 | 14 | 46 |
| Soutpan | Province of the Western Cape | -34.25 | 20.8666667 | 109 | 358 |
| Soutpan | Province of North-West | -27.5666667 | 25.7333333 | 1256 | 4121 |
| Soutpan | Province of Eastern Cape | -33.8833333 | 25.5333333 | 36 | 118 |
| Soutpan | Province of North-West | -27.75 | 25.3166667 | 1204 | 3950 |
| Soutpan | Province of North-West | -26.9 | 25.35 | 1359 | 4459 |
| Strydpoortdam | Free State | -30.5333333 | 26.6 | 1390 | 4560 |
| Subane | Province of KwaZulu-Natal | -27.15 | 32.2333333 | 44 | 144 |
| Swartkop-Soutpan | Province of Eastern Cape | -33.7833333 | 25.55 | 102 | 335 |
