| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saint Catharine's | city | Clare | Ireland | 52.87 | -8.60 | 331 | 1144 |
| Saint Catharine’s | city | Clare | Ireland | 52.87 | -8.60 | 331 | 1144 |
| Saint Catherines | city | Clare | Ireland | 52.87 | -8.60 | 331 | 1144 |
| Sallybank | city | Clare | Ireland | 52.77 | -8.62 | 377 | 1875 |
| Scalpnagown | city | Clare | Ireland | 52.96 | -8.79 | 830 | 611 |
| Scariff | city | Clare | Ireland | 52.90 | -8.51 | 272 | 1669 |
| Scarriff | city | Clare | Ireland | 52.90 | -8.51 | 272 | 1669 |
| Scool | city | Clare | Ireland | 52.92 | -9.09 | 265 | 1536 |
| Scott's Bridge | city | Clare | Ireland | 52.80 | -8.58 | 229 | 985 |
| Scott’s Bridge | city | Clare | Ireland | 52.80 | -8.58 | 229 | 985 |
| Seiseadh | city | Clare | Ireland | 53.10 | -9.07 | 223 | 644 |
| Shanavogh | city | Clare | Ireland | 52.83 | -9.30 | 830 | 1071 |
| Shannakea | city | Clare | Ireland | 52.63 | -9.16 | 0 | 1484 |
| Shannon | city | Clare | Ireland | 52.70 | -8.86 | 0 | 7162 |
| Shannon Town | city | Clare | Ireland | 52.70 | -8.86 | 0 | 7162 |
| Shanvally | city | Clare | Ireland | 53.13 | -9.05 | 341 | 882 |
| Shanweela | city | Clare | Ireland | 52.91 | -9.19 | 255 | 1101 |
| Sheeaun | city | Clare | Ireland | 52.94 | -8.53 | 282 | 1391 |
| Sheshia | city | Clare | Ireland | 53.10 | -9.07 | 223 | 644 |
| Sionainn | city | Clare | Ireland | 52.70 | -8.86 | 0 | 7162 |
| Sixmilebridge | city | Clare | Ireland | 52.74 | -8.77 | 141 | 3829 |
| Skaghard | city | Clare | Ireland | 53.03 | -8.96 | 213 | 439 |
| Slievemore | city | Clare | Ireland | 53.03 | -8.60 | 830 | 350 |
| Slievenlooney | city | Clare | Ireland | 52.63 | -9.23 | 0 | 965 |
| Sorrel Island Bridge | city | Clare | Ireland | 52.76 | -9.24 | 830 | 982 |
| Spancelhill | city | Clare | Ireland | 52.87 | -8.90 | 370 | 2308 |
| Spanish Point | city | Clare | Ireland | 52.85 | -9.44 | 0 | 1948 |
| Spectacle Bridge | city | Clare | Ireland | 53.03 | -9.30 | 242 | 1754 |
| Sraid na Cathrach | city | Clare | Ireland | 52.86 | -9.40 | 216 | 2451 |
| Sruhaunakit Bridge | city | Clare | Ireland | 52.80 | -9.34 | 265 | 1250 |
| Stranagalloon | city | Clare | Ireland | 52.96 | -8.91 | 157 | 957 |
| Strasburgh | city | Clare | Ireland | 52.82 | -9.05 | 196 | 6863 |