| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Salisbury | city | Ireland | 52.35 | -7.76 | 141 | 11293 | |
| Sandymount | city | Ireland | 52.45 | -8.16 | 830 | 6681 | |
| Saucestown Bridge | city | Ireland | 52.48 | -7.68 | 318 | 2461 | |
| Scarrough Bridge | city | Ireland | 52.59 | -8.09 | 830 | 1687 | |
| Scartnaglorane | city | Ireland | 52.36 | -8.03 | 830 | 869 | |
| Seskin | city | Ireland | 52.38 | -7.59 | 59 | 1648 | |
| Shanaballymore | city | Ireland | 52.52 | -8.15 | 364 | 6078 | |
| Shanbally | city | Ireland | 52.41 | -7.70 | 229 | 9456 | |
| Shanrahan | city | Ireland | 52.28 | -8.04 | 229 | 1043 | |
| Shronell | city | Ireland | 52.47 | -8.23 | 830 | 2317 | |
| Skeaghatooreen | city | Ireland | 52.26 | -7.85 | 830 | 1623 | |
| Skeheenaranky | city | Ireland | 52.31 | -8.16 | 830 | 1404 | |
| Stagdale Bridge | city | Ireland | 52.41 | -8.23 | 374 | 1201 | |
| Stokaun | city | Ireland | 52.51 | -8.13 | 357 | 6120 | |
| Stonepark | city | Ireland | 52.41 | -8.16 | 830 | 1226 |