Yokosuka Arts Theatre (横須賀芸術劇場, Yokosuka Geijutsu Gekijō) is part of the mixed-use Bay Square complex in Yokosuka, Kanagawa Prefecture, Japan. It opened in 1994. The horseshoe-shaped theatre seats 1,806 and there is a smaller hall, the Yokosuka Bayside Pocket, with a capacity of 600. The Bay Square complex is by Kenzo Tange, with acoustical design of the halls by Nagata Acoustics.[1][2]