The holidays are upon us, and some cities are celebrating with the opening of new hotels. USA Today shares a few buzz-worthy hotel openings. Marriott International has opened another AC Hotel. The 187-room AC Hotel San Francisco Airport/ Oyster Point Waterfront is the first hotel to open in the booming biotech hub of South San Francisco in 15 years. It is located 10 miles from downtown and 10 minutes from San Francisco International Airport.