Welcome to The Clift Royal Sonesta San Francisco, our upscale destination in San Francisco—only one block from Union Square. Newly renovated, we invite you to explore our refined guest rooms, a modern lobby experience, the Fredericks eatery and café, and the famous Redwood Room, all imbued with a sophisticated style that fuses the hotel’s original craftsmanship with modern-day San Francisco. Long Live the Guest at The Royal Sonesta.