My experience in Marco's flat has been absolutely perfect. The apartment is situated in on of the coolest street of Marais, close to many shops, restaurants and cafès. On the top of this, the position is also perfect if you like to walk. I actually took the subway to reach Trocadero only. Sacre Coeur, Montmartre, Pigalle, Louvre, the latin district and Saint Germain des Près are easily reachable with a 30/40 min walk. The flat is very well furnished (Marco has really good taste!) with everything you need. Perfect for a couple. The communication with Marco was easy and quick. Highly recommended!