The Riviera Theatre is a historic, 1,100 seat live music and entertainment venue in North Tonawanda, New York. Built in 1926, complete with an original Mighty WurliTzer theatre organ, the "Riv" is listed on the National and New York State Register of Historic Places and is owned by the Riviera Theatre & Organ Preservation Society, Inc., a 501(c)(3) not-for profit organization.