- Skeam East
- Skeam West
- Skeheen
- Skehil
- Skenakilla
- Skenakilla Cross Roads
- Skeugh Cross Roads
- Skibbereen
- Skiddy Island
- Sleenoge
- Sleveen
- Sleveen East
- Slievedotia
- Slievemore
- Slieveowen
- Sligga Bridge
- Sluggary Cross Roads
- Smithville
- Snave
- South Ring
- Sovereign Islands
- Spa Mount
- Spain
- Spanish Island
- Spike Island
- Spital
- Spital Bridge
- Spread’s Cross Roads
- Springhill
- Spurree Cross Roads