My research explores an alternative history of Venetian ecclesiastical architecture in the Early Modern period, giving a new insight into the changing architectural tastes of the period 1580-1657. This was a fertile time for church building with the effects of the Reformation and Counter-Reformation starting to have a significant impact across Europe. However, while the grand projects of architects such as Baldassare Longhena have been studied in detail, these make up a minority of the ecclesiastical fabric of the city and the majority have not been fully researched. My research focuses on the existing churches that were updated and reconfigured in the new style to allow them to better comply with the decrees from the Council of Trent and the further recommendations of Cardinal Carlo Borromeo. Alongside these churches I will study some of the newly built churches of this period to provide a vital comparison.