57 Promenade is a mixed development project at Kebon Melati, near Hotel Indonesia Roundabout in Jakarta, Indonesia. The project will be developed on an area of 3.2 hectares (ha) in two phases. The first phase of development covered an area of 1.3 hectares, on which will be built two condo towers, City57 with 24 floors and Sky57 with 49 floors with five-story basement. The second phase with an area of 1.9 hectares, will be built two office towers Tower 57 and Union 57, one service apartment tower Atelier 57 and retail promenade. The development will be connected Jakarta MRT, Jakarta LRT, TransJakarta bus stops, and Soekarno-Hatta Airport Rail Link.