505 N State StChicago, IL 60654 Phone: +1 312-755-9703Fax: +1 312-755-9713Toll Free: +800-766-3782 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 261 - Hoteliers! Is your information accurate? Update Here The Royal Sonesta Chicago River North Location & Neighborhood In River North area; three blocks west of Mag Mile.