- Sand Spur
- Selma
- Simms
- Stay
- Summerfield
- Sandager
- Santiague
- Segura
- Shark Island
- Shaw Island
- Shell Keys
- Sumerall
- Saint Louis
- Samstown
- Seneca Mobile Home Park
- Seymourville
- Slacks
- Soniat
- Soulouque
- Sunshine
- Saint Claire
- Saint Rest
- Siloam Springs
- Spring Hill
- Shrewsbury
- South Kenner
- Southport
- Silverwood
- Stanley
- Saint Joseph