Alvear Tower
The Alvear Tower is a residential and hotel skyscraper on Azucena Villaflor Avenue, east of Dock Two in the upscale Puerto Madero section of Buenos Aires. The skyscraper is the tallest building in Argentina. A mixed-use development, the 54-story, building includes 175 condominiums totalling , as well as a five star hotel. The building's residential floor plans are notable for their variety - ranging from to - as well as their ceilings. Its development took place on a lot sold by Grupo Chateau (the local builders of the neighboring Château Puerto Madero Residence) for US$35 million to  Madrid-based developer Rayet for the construction of the "Hotel Único Buenos Aires". Originally scheduled to open at the end of 2010, the Único Hotel project was canceled. Rayet sold the lot to Anglo-Argentine developer, David Sutton, the proprietor of the Alvear Palace Hotel, on 5 March 2010. The Alvear Tower is budgeted at US$130 million; construction started in March 2012 and was completed in 2017.