The Westin St. Francis San Francisco on Union Square is a historic hotel known for its elegance and impeccable service. Some of their rooms and suites feature spacious bathtubs, providing a luxurious retreat in the heart of the city. Guests can relax in the tub while enjoying views of Union Square or the city skyline. The hotel also offers a range of amenities, including a fitness center, multiple dining options, and a rooftop lounge. With its prime location and bathtub facilities, The Westin St. Francis San Francisco on Union Square is a popular choice for travelers seeking a bathtub experience.