Hilton St. Louis Frontenac hotel of Missouri, centrally located in St. Louis, offers guests 263 spacious hotel guest rooms, including 37 executive suites and event facilities consisting of 20,000+ sq. ft. flexible function space.Hilton St. Louis Frontenac hotel of Missouri, centrally located in St. Louis, offers guests 263 spacious hotel guest rooms, including 37 executive suites and event facilities consisting of 20,000+ sq. ft. flexible functi