I enjoyed staying here, but there were a few issues. First, the building does not have 24 hour security as stated in the write-up. There are no cameras in public places except the lobby and the security guys do not work in the evening. However, I never felt that the building or apartment were unsafe. There was a safe in the apartment but it was nothing more than a tin box with a keypad. Despite minor issues, the apartment was comfortable and I enjoyed my stay, especially being right on Corrientes Ave. The subway is a few blocks away (if you're having trouble getting a subway card, go to a tourist historic center) and literally hundreds of restaurants/cafes within walking distance. It is easy to walk to Recoleta, the Obelisk and the Congress - very convenient. The owner (Mauro) was very helpful, replacing a broken toaster and supplying a pot and frying pan that were missing and offering a 2 week cleaning. The balcony is nice, even with the traffic. Carefour and Dia across the street.