Circa 1969Spring 2009, courtesy Google StreetView.
It was:
ca. 1965: The Marathon Grill, owned by the Pangiotakas Brothers1. The business was registered on June 17, 1965.2
1969 - ca. 1979 The Misty Moon Show Bar, which then moved to Kempt Rd ca. 1983, and finally to 1593 Barrington St and re-opened as the New Misty Moon. It closed in the mid-90s.