Kozy - Rue Saint-Martin, which opened in June 2025, serves a selection of espresso-based drinks, including an espresso priced at €2.50 and a flat white for €5. Utilizing a La Marzocco machine and sourcing beans from Belleville Brûlerie, this café caters to both dine-in and takeaway customers, offering sweet and savory food options alongside coffee-based cold drinks. Located on Rue Saint-Martin, it captures the historic charm of the Marais while providing a comfortable space with seating and free Wi-Fi, open seven days a week.