Seneca Buffalo Creek Casino is a casino in Buffalo, New York, United States. It is owned by the Seneca Nation of New York, through the Seneca Gaming Corporation. The complex consists of of gaming space. It opened as a temporary structure on July 3, 2007, and a permanent casino building opened on August 27, 2013. A much larger and more expensive investment had previously been planned, prior to the Great Recession. The casino attracts about 3 million visitors annually.