| Simcoe Muskoka District Health Unit, Barrie Head Office - 15 Sperling Dr | Barrie |
| Simcoe Muskoka District Health Unit, Collingwood Branch - 280 Pretty River Pkwy | Collingwood |
| Simcoe Muskoka District Health Unit, Cookstown Branch - 25 King St S | Cookstown |
| Simcoe Muskoka District Health Unit, Gravenhurst Branch - 5 Pineridge Gate | Gravenhurst |
| Simcoe Muskoka District Health Unit, Huntsville Branch - 34 Chaffey St | Huntsville |
| Simcoe Muskoka District Health Unit, Midland Branch - Hugel Ave | |
| Simcoe Muskoka District Health Unit, Orillia Branch - 169 Front St S | Orillia |