| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Saggart | city | Baile Atha Cliath | Ireland | 53.2802778 | -6.4444444 | 511 | 89397 |
| Saint Doolaghs | city | Baile Atha Cliath | Ireland | 53.4163889 | -6.1805556 | 9 | 84645 |
| Saint Margaret's | city | Baile Atha Cliath | Ireland | 53.4316667 | -6.3002778 | 144 | 95212 |
| Saint Margaretʼs | city | Baile Atha Cliath | Ireland | 53.4316667 | -6.3002778 | 144 | 95212 |
| Saint Marnocks | city | Baile Atha Cliath | Ireland | 53.4308333 | -6.1275 | 0 | 68332 |
| Sallynoggin | city | Baile Atha Cliath | Ireland | 53.2736111 | -6.1425 | 19 | 64370 |
| Sandyford | city | Baile Atha Cliath | Ireland | 53.2697222 | -6.2241667 | 436 | 96324 |
| Sandymount | city | Baile Atha Cliath | Ireland | 53.335 | -6.2113889 | 0 | 89847 |
| Santry | city | Baile Atha Cliath | Ireland | 53.3986111 | -6.2597222 | 39 | 102013 |
| Sea Mount | city | Baile Atha Cliath | Ireland | 53.4427778 | -6.14 | 3 | 68332 |
| Seafield | city | Baile Atha Cliath | Ireland | 53.4747222 | -6.1763889 | 3 | 93900 |
| Shankill | city | Baile Atha Cliath | Ireland | 53.2261111 | -6.1244444 | 6 | 36555 |
| Skephubble | city | Baile Atha Cliath | Ireland | 53.4516667 | -6.3077778 | 160 | 95212 |
| Skerries | city | Baile Atha Cliath | Ireland | 53.5827778 | -6.1083333 | 0 | 43841 |
| Slade | city | Baile Atha Cliath | Ireland | 53.2666667 | -6.4466667 | 846 | 89397 |
| Sord | city | Baile Atha Cliath | Ireland | 53.4597222 | -6.2180556 | 13 | 100269 |
| Stepaside | city | Baile Atha Cliath | Ireland | 53.2525 | -6.2136111 | 554 | 96324 |
| Stillorgan | city | Baile Atha Cliath | Ireland | 53.2875 | -6.2191667 | 242 | 96324 |
| Summerton | city | Baile Atha Cliath | Ireland | 53.3663889 | -6.4075 | 104 | 101055 |
| Sutton | city | Baile Atha Cliath | Ireland | 53.3905556 | -6.1216667 | 0 | 32157 |
| Swords | city | Baile Atha Cliath | Ireland | 53.4597222 | -6.2180556 | 13 | 100269 |
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