| Business | Phone |
| St Marys Lind Sportsplex Water S, St Marys | (519) 284-3090 |
| St Mary's Tourist Information 145 Jones E, St Marys | (519) 284-3500 |
| St Marys Day Nursery 121 Ontario St S, St Marys N4X 1B9 | (519) 284-3121 |
| Teddys Field 285 Water S, St Marys | (519) 284-2270 |