Largest Starbucks Store Ever Debuts in Chicago.br The Starbucks Roastery, which is the coffee's giant's sixth, is around 35,000 square feet.br The spot is five stories tall and overtakes Starbucks' Tokyo Roastery.br Other Roastery locations include Seattle, New York, Shanghai and Milan.br The Chicago location was announced in 2017 and is open seven days a week.br Over it has over 200 employees that not only serve, but also cocktails and baked goods.br In addition to pastries from Princi, the Roastery offers pizza and has three coffee bars.