St. Regis Museum Tower
 St. Regis Museum Tower is a 42-storey 484 ft (148 m) skyscraper in the South of Market district of San Francisco California adjacent to Yerba Buena Gardens Moscone Center PacBell Building and the San Francisco Museum of Modern Art. The tower is bounded by Mission Street 3rd Streets and is operated by Starwood Hotels & Resorts Worldwide. The hotel recently attained five-star status.The tower was designed by Skidmore Owings and Merrill and constructed by Webcor Builders.