Puerto Madero, also known within theurban planningcommunity as thePuerto Madero Waterfront, is abarrio(district) of theArgentinecapital atBuenos Aires CBD, occupying a significant portion of theRío de la Platariverbank and representing the latest architectural trends in the city ofBuenos Aires.Puerto Maderois a nice neighborhood to lounge in one of many parks, ride a bike and perhaps dine on the waterfront, but it’s not distinguished for its abundance of touristic sights.