Puerto Madero, also known within the urban planning community as the Puerto Madero Waterfront, is a barrio of Buenos Aires in the Central Business District. Occupying a significant portion of the Río de la Plata riverbank, it is the site for several high-rise buildings and luxurious hotels, featuring the latest architectural trends. It is the barrio with by far the …Puerto Madero, also known within the urban planning community as the Puerto Madero Waterfront, is a barrio of Buenos Aires in the Central Business District. Occupying a significant portion of the Río de la Plata riverbank, it is the site for several high-rise buildings and luxurious hotels, featuring the latest architectural trends. It is the barrio with by far the highest property price, surpassing the second-highest twofold.