| Business | Phone |
| Cory Ace Realty 6809 Lake Shore Dr, Okoboji 51355 | (712) 332-7510 |
| Executive Land Investments 1108 Highway 71 S, Okoboji 51355 | (712) 332-7307 |
| Kuker Real Estate 1110 Lake Shore Dr, Okoboji 51355 | (712) 332-2200 |
| Miller Realty 1904 Highway 71 N, Okoboji 51355 | (712) 332-2690 |
| Okoboji Realty 2307 170th St, Okoboji 51355 | (712) 332-7710 |