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.

[1] Development took place on a 7,000 m2 (75,300 sq ft) lot sold by Grupo Château (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 Hotel Único project was canceled.

Rayet sold the lot to Anglo-Argentine developer, David Sutton, the proprietor of the Alvear Palace Hotel, on 5 March 2010.

[2] The construction of the Alvear Tower started in March 2012 and was completed in 2017.