- Springboro
- Saturn
- Sevastopol
- Shady Banks
- Silver Point
- South Park
- Stoneburner Landing
- Stony Ridge
- Sunrise Beach
- Scott
- Seyberts
- Shady Nook
- Star Mill
- Stony Creek
- Shady Lawn
- Sheffield Estates
- Southeast Grove
- Southmoor Park
- Sunshine Seven Mobile Home Park
- Salem Heights
- Smith
- South Center
- South LaPorte
- South Wanatah
- Springfield
- Springville
- Summit
- Shawswick
- Silverville
- Spring Mill Village