 Non-linear viscous dampers located at the top of the hotel tower help dampen some of the wind sway due to powerful winds off the Pacific Ocean.As of 2019, it was the only Four Seasons location in San Francisco, but planned to be joined by two others in 2020, one located a block away at 706 Mission Street and the other occupying the former Loews Regency San Francisco in the Financial District.As of 2013, then-CEO of Yahoo Marissa Mayer was living in the 38th-floor penthouse suite at the Four Seasons Hotel with her husband and growing family of three children, as well as live-in domestic help.