Porteños love sushi. However, it is surprisingly hard to find good fish even though the city is right on the coast. Osaka has arguably the best sushi in BA and goes beyond the Japanese options with a heavy influence of trendy Peruvian cuisine: You can have ceviche and a pisco sour with your stuffed ko-ika rolls and duck gyoza. The decor has a zen influence, with dim lights and lots of wood. Many waiters speak English. There’s a second location in the Faena Hotel in Puerto Madero.