Okoboji is a city in Dickinson County, Iowa, United States, along the eastern shore of West Okoboji Lake in the Iowa Great Lakes region. The population was 820 at the 2000 census. Pikes Point State Park is located within the city limits. Okoboji is served by KUOO-FM and KUQQ-FM.
Okoboji is located at 43°23′15″N 95°8′17″W / 43.3875°N 95.13806°W / 43.3875; -95.13806 (43.387620, -95.138025).
According to the United States Census Bureau, the city has a total area of 1.8 square miles (4.6 km²), all of it land.