Timeless yet modern, The Westin St. Francis San Francisco on Union Square has been offering guests a warm welcome and an enriching, restorative stay since its opening in 1904. With its turn-of-the-20th-century European style, downtown San Francisco hotel blends elegance with contemporary enhancements. At this standout amongst Downtown San Francisco hotels, where views are plentiful, you can host events in venues and ballrooms where the finest big bands once played.