Best Rooms: Rooms facing Mason St. that end in *09, *10, *12 and *14, from floors 9 - 12 (e.g. 910, 1112), offer nice city views.
Best Rooms: Inn At Union Square is encircled by equally tall buildings, blocking any potential views of the city.
Best Rooms: Surrounded by other buildings, you won't find much in the way of views here.
Best Rooms: To enjoy a great view of Union Square Park, be sure to request a room on floors 12 - 15, facing Powell St.
Best Rooms: The hotel can't offer any city views because it's surrounded by taller buildings, but rooms overlooking Post St. on floors 5 and above have nicer views.
Best Rooms: Rooms facing Howard St. offer views of the bay, better from floors 25 - 28. The north side of the hotel has limited views due to obstruction from the neighboring St. Regis Hotel. The Fabulous Corner Rooms, ending in *02 (e.g. 2002, 2102), have great views of the bay out of one window and AT&T Ballpark from the other.