Review for Ameristar Casino - St. Charles Review For Ameristar Casino - St. Charles Google User Nov 26 '13 at 5:05 Our love staying this place the rooms are nice and big the pool is very nice when I always stay here I asked for a room on the higher floor the best floor to get a room as is the 22nd floor is there side you get a good view so if you want to spend money this is the place to be because casino is downstairs so if you have too much to drink you can go upstairs to your room best place ever stay View full site to comment or like