| Island Lake | |
| Location: | Lake County, Illinois |
| Coordinates: | 42.2764°N -88.1975°W |
| Type: | reservoir |
| Basin Countries: | United States |
| Elevation: | 228m (748feet) |
| Pushpin Map: | Illinois |
| Pushpin Map Alt: | Location of lake in Illinois. |
Island Lake is a reservoir located in the village of Island Lake, Illinois, in the United States. It has several small islands.