- Smooth Rock Falls
- Snow Road Station
- Snowball
- Snowville
- Snug Harbour
- Snug Haven
- Solina
- Soperton
- South Augusta
- South Bay
- South Beach
- South Branch
- South Bruce Peninsula
- South Dummer
- South Easthope
- South Gillies
- South Gower
- South Keys
- South Magnetawan
- South March
- South River
- South Wilberforce
- Southampton
- Southgate
- Southview Beach
- Southview Cove
- Southwold
- Sowerby
- Spaffordton
- Sparkle City