Sentinela do Sul | |
|---|---|
 Flag | |
 Location within Rio Grande do Sul | |
  Sentinela do Sul Location in Brazil | |
| Coordinates: 30°36′39″S 51°34′44″W / 30.61083°S 51.57889°W | |
| Country |  Brazil |
| State | Rio Grande do Sul |
| Population (2020 [1]) | |
| • Total | 5,609 |
| Time zone | UTC−3 (BRT) |
Sentinela do Sul (Portuguese of South Sentinel) is a municipality in the state of Rio Grande do Sul, Brazil.