| Lost Island Lake | |
|---|---|
| Location | Palo Alto / Clay counties, Iowa, USA |
| Basin countries | United States |
| Surface area | 1,162 acres (470 ha)[1] |
| Max. depth | 16 ft (4.9 m)[1] |
| References | [1] |
Lost Island Lake is a 1,200-acre (4.9 km2) lake north of Ruthven, Iowa, United States.