Ballroom/Party/Meeting Rooms go Results Found: 3 Courtyard Sioux City Downtown/Convent... Courtyard Sioux City Downtown/Convention Center 901 4th St Sioux City IA 51101 (712) 202-2700 South Sioux City Marriott Riverfront 385 E. 4th St. South Sioux City NE 68776 (402) 494-4000 Cottonwood Inn and Conference Center Cottonwood Inn and Conference Center 4402 Dakota Ave. South Sioux City NE 68776 (402) 494-4114
