Marcello's apartment is the perfect, tiny apartment in Venice. There was a separate tiny bedroom, good storage and plugs, good air conditioning. There was a nice little kitchen, and nice extras like water and croissants and cookies for us. The hot water doesn't last very long, but the bathroom is very clean and the hair dryer works well. Be sure to ask for more towels when you get there.
The apartment is on the 1st floor (2nd floor by U.S. reckoning) and so be prepared to carry your bags. The ceiling is very low, but if you are 6 feet (183cm) or shorter, you will be fine. Also, I have suggested to Marcello that he get a softer bed as the one we had was very very hard with no padding. But he gives lots of comforters and blankets which we used as padding for the bed and made it nice enough to sleep.
Very cute place, GREAT location, and a wonderful, friendly, and helpful host.