| Business | Phone |
| Okoboji Community Elmntry Schl 708 M Ave, Milford 51351 | (712) 338-2458 |
| Okoboji Community School Dist 1205 7th St, Milford 51351 | (712) 338-4757 |
| Okoboji Elementary School 1100 8th St, Milford 51351 | (712) 338-2458 |
| Okoboji High School 901 H Ave, Milford 51351 | (712) 338-2446 |
| Okoboji Yacht Clb Sailing Schl 1900 Manhattan Blvd, Milford 51351 | (712) 337-0121 |