At Residenze Romanae - Vicolo 22, there are three types of rooms available. The Double Rooms with Private Bathroom are 301 sqft and can accommodate 3 adults and 1 child with a King size bed and a Sofa bed. The other Double Room with Private Bathroom is 269 sqft and can accommodate 2 adults with a King size bed. Lastly, the Double Room with Private External Bathroom is 215 sqft and can accommodate 2 adults with a King size bed and 2 Twin beds. Smoking is not allowed in any of the rooms.

Guests staying at Residenze Romanae - Vicolo 22 can spend their time enjoying the various leisure amenities offered by the hotel. The hotel provides a garden where guests can relax and unwind, surrounded by beautiful greenery. In addition, there is a terrace where guests can soak up the sun while enjoying breathtaking views of the city.

While there is no specific information provided about other amenities, it is safe to assume that guests may also have access to other facilities commonly found in hotels, such as a fitness center or a swimming pool. However, since this information is not explicitly mentioned, it cannot be included in the answer.

In conclusion, guests at Residenze Romanae - Vicolo 22 can spend their time at the hotel by taking advantage of the available leisure amenities, such as the garden and the terrace.