Staybridge Suites Sioux City Southeast by IHG in Sioux City offers spacious suites with kitchens, free breakfast, and evening socials. Welcome to Sioux City's Newest Extended Stay hotel; The Staybridge Suites Sioux City Southeast. Warm. Welcoming. Home-Like. When it comes to extended stay travel we get it, we are one of the only extended stay hotels in Sioux City.