Sendai Sun Plaza is a hotel in Miyagino-ku, Sendai, Miyagi Prefecture. The hotel is adjacent to the JR East underground Tsutsujigaoka Station. The twelve-story structure includes a large three-story circular hall with seating for up to 2710 people, which is used as a concert hall and sports venue. It also contains a conference hall, day-care center, wedding facilities and a hotel with 74 rooms. The building was completed in March 1993.