Rosario's flat was perfect: very clean and comfortable, with everything that you might need during your stay (Wifi connexion, iron and ironing board, hairdrier, washing machine,...). The location was also great: around five-ten minutes walk from the heart of the historic center.
We didn't meet Rosario, her sister came by to give us the keys to the flat when we arrived from the airport (around midnight). We just had to leave the keys inside the flat when leaving at the end of our stay.