Ballroom/Party/Meeting Rooms go Results Found: 5 Button group with nested dropdown The Warrior Hotel 525 Sixth Street Sioux City IA 51101 (712) 317-1011 South Sioux City Marriott Riverfront 385 E. 4th St. South Sioux City NE 68776 (402) 494-4000 Hilton Garden Inn Sioux City Riverfront 1132 Larsen Park Road Sioux City IA 51103 (712) 255-4200 Courtyard Sioux City Downtown/Convention Center 901 4th St Sioux City IA 51101 (712) 202-2700 Cottonwood Inn and Conference Center 4402 Dakota Ave. South Sioux City NE 68776 (402) 494-4114