the lobby, floors 12 through 16, and floor 46. In addition, there are four service elevators: one for the lower residences, one for the upper residences, and two in the basement levels. There are also three elevators within individual suites. Lower floors The entrances to the building are through 53rd and 54th Streets. The lobby contains of space and is divided into three sections: an entrance foyer, a main lobby, and an elevator lobby. The main lobby has a coffered ceiling as well as an oak floor with inlaid marble tiles. The walls of the lobby are covered with oak paneling, and the ceiling is supported by the diagonal columns of the diagrid. The ground floor next to the lobby also includes a library with a fireplace. MoMA's gallery space is on floors 2, 4, and 5. The gallery space includes the Daylit Gallery on floor 2 and the Studio on floors 4 and 5. There is no third story because the floor numbers follow those of the main MoMA building, and MoMA's third story does not extend into 53 West 53. The MoMA galleries are internally disconnected from the rest of 53 West 53 and are not served by the building's elevators. The only exits from the MoMA space are through the main building to the east, as well as emergency exits that lead directly to 53rd and 54th Streets. The gallery space covers . A terrace extends from the south facade at the sixth story. Apartments There are 145 residences ranging from one to five bedrooms. As a result of the building's shape, each floor has a different shape and higher floors are incrementally smaller. Floors 14 through 16 contain studio apartments for service workers employed by residents of upper-floor units. There are several large penthouse units. Penthouse 78, a two-story penthouse near the top of the building, has a double-height living room, four bedrooms, and three-and-a-half baths. Another unit, a full-story unit on floor 65, has a living room, a dining room, a kitchen, four bedrooms, four-and-a-half bathrooms, a den, and an office. Some tenants have customized their apartments; for example, apartment 61A was redesigned with furniture complementing the beams on the building's facade. Thierry Despont designed the interiors of the condominiums. Each residence has a different layout as a result. All residences have a custom-designed kitchen with a marble countertop, glass cabinetry, and polished-nickel decorative elements.