Marco is a really good host. His B&B is great. It has large cozy hall and kitchen with everything we needed (microwave, kettler, fridge etc.); and 2 rooms. We had green one, our private bathroom was just beside the room. The room has a balcony. The apartment is very clean. And it is great view to Vesuvius from the hall.
The house is located in the very centre of the Old Town. I think it is the most touristic street with great number of souvenir shops. But it is very quiet upstairs in the apartment (it is 4-th floor without elevator). The room windows looks into the countryard.
Marco told us about interesting places to see, and the best restaurants with Neapolitan food. He left a guide and a map, where he marked every must-see place. It was very useful!
Our Neapolitan holidays was great. It's a pity it was too short. We do wish to return!