Tammistu, Hiiu County
| Tammistu | |
|---|---|
| Village | |
| Country |
 Estonia |
| County | Hiiu County |
| Parish | Hiiu Parish |
| Time zone | EET (UTC+2) |
| • Summer (DST) | EEST (UTC+3) |
Tammistu is a village in Hiiu Parish, Hiiu County in northwestern Estonia.
Coordinates: 58°53′59″N 22°22′11″E / 58.89972°N 22.36972°E