Disclosed herein is a sink incorporating dishwasher functionalities. The sink is mounted, or otherwise installed, on a kitchen countertop and includes a basin and a cover allowing to fluidly seal the basin from above. According to some embodiments of the sink, at least one portion of the walls of the basin, extending along two peripheral directions, is double walled, having an outer wall and an inner wall, such as to define an inner chamber there between. The inner chamber is controllably fluidly coupled to a pressurized fluid source and has apertures on the inner wall for ejecting fluid jets into the basin. In some embodiments of the sink, the cover is a shutter.