West Okoboji Lake is a natural body of water, approximately 3,847 acres (15.57 km2) in area, in Dickinson County in northwestern Iowa in the United States. It is part of the chain of lakes known as the Iowa Great Lakes. The area was long inhabited by the Santee or Dakota Sioux. The Dakota-language name for the lake was Minnetonka, meaning "great waters".

Dickinson County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 17,703. The county seat is Spirit Lake. The county was organized in 1857 and is named in honor of Daniel S. Dickinson, a U.S. Senator for New York.