| St. Mary Lake | |
|---|---|
&sq=Envato&lang=en&file=File:Canada_Vancouver_Island_relief_map.jpg)  St. Mary Lake | |
| Location | Vancouver Island, British Columbia |
| Coordinates | 49°16′00″N 124°38′00″W / 49.26667°N 124.63333°W |
| Lake type | Natural lake |
| Basin countries | Canada |
St. Mary Lake is a lake located on Vancouver Island south of Cameron Lake.[1]