An L-shaped kitchen is a design in which the cabinets fit comfortably in a corner, extending on two sides, similar to the shape of an L. The floor space could remain open, or you could create a semi-closed kitchen by installing a peninsula to create a sideways U. Peninsulas are ideal in place of islands because they ensure an open area to move around the kitchen on all sides. In contrast, an island would cut off that open area space for enhanced flow.