- Saint Brendan’s
- Saint Brendan’s Island
- Saint Macdaras Island
- Saliahoona
- Salrock
- Salt Hill
- Scregg East
- Scregg West
- Seershin
- Shanaglish
- Shanaveag Bridge
- Shanballard
- Shanbally
- Shanbally
- Shanbally
- Shanballyoghery
- Shancroagh
- Shanelogh
- Shangarry
- Shankill
- Shannafreaghoge
- Shannaghmore
- Shannagurraun
- Shanvally
- Shanvallybeg
- Sheeaun
- Shinnanagh
- Silver Islands
- Sinclair’s Village
- Skehanagh