Sylon de Montmartre features coffee from Ground State, brewed on a La Marzocco machine. Since opening in December 2017, it has become a staple in the creative, eclectic Montmartre area, offering a range of espresso-based drinks, slow extraction methods, and coffee-based cold beverages. Prices include an espresso for €2.50 and a flat white for €5. Open seven days a week, the café provides seating both indoors and outdoors, along with a selection of sweet and savory food options, takeaway drinks, and coffee beans for sale.