| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Sallybank | city | An Clar | Ireland | 52.7675 | -8.6244444 | 377 | 2514 |
| Scariff | city | An Clar | Ireland | 52.8988889 | -8.5091667 | 272 | 2348 |
| Scarriff | city | An Clar | Ireland | 52.8988889 | -8.5091667 | 272 | 2348 |
| Scott's Bridge | city | An Clar | Ireland | 52.7975 | -8.5786111 | 229 | 2512 |
| Scottʼs Bridge | city | An Clar | Ireland | 52.7975 | -8.5786111 | 229 | 2512 |
| Shannon | city | An Clar | Ireland | 52.7038889 | -8.8641667 | 0 | 3652 |
| Shanvally | city | An Clar | Ireland | 53.1258333 | -9.0455556 | 341 | 1500 |
| Shanweela | city | An Clar | Ireland | 52.915 | -9.1897222 | 255 | 2507 |
| Sionainn | city | An Clar | Ireland | 52.7038889 | -8.8641667 | 0 | 3652 |
| Sixmilebridge | city | An Clar | Ireland | 52.7413889 | -8.7741667 | 141 | 2654 |
| Skaghard | city | An Clar | Ireland | 53.0291667 | -8.965 | 213 | 2501 |
| Sorrel Island Bridge | city | An Clar | Ireland | 52.7647222 | -9.2375 | 433 | 2514 |
| Spanish Point | city | An Clar | Ireland | 52.8497222 | -9.4380556 | 0 | 1261 |
| Spectacle Bridge | city | An Clar | Ireland | 53.0280556 | -9.3044444 | 242 | 2437 |
| Sraid na Cathrach | city | An Clar | Ireland | 52.8552778 | -9.3983333 | 216 | 1989 |
| Sráid na Cathrach | city | An Clar | Ireland | 52.8552778 | -9.3983333 | 216 | 1989 |
| Stranagalloon | city | An Clar | Ireland | 52.9594444 | -8.9130556 | 157 | 2591 |
| Strand | city | An Clar | Ireland | 52.3955556 | -9.1105556 | 498 | 5490 |
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