Bonanza is a small Italian supermarket store based in Montreal, Quebec, Canada. Founded in 1973, the first location (no longer in operation) operated in Montréal-Nord, Quebec on Pie IX Street. From the late 1980s until the early 1990s, Bonanza operated at a peak of eight locations, but all except for the store located in the St. Leonard borough of Montreal were sold to IGA in 1997. Prior to the IGA acquisition of Bonanza locations, Buon Gusto was used as an in-store brand.