The available types of rooms at Radisson Hotel Old Town Riga include Superior Rooms, Double or Twin Rooms, and Cozy Queen Rooms. The Superior Rooms and Double or Twin Rooms have a room size of approximately 205 sqft and 172 sqft respectively, while the Cozy Queen Rooms are smaller at around 140 sqft. Smoking is not allowed in any of these rooms. The Superior Rooms and Double or Twin Rooms can accommodate 2 adults and 1 child, while the Cozy Queen Rooms are suitable for 1 adult only. The bed options in these rooms include combinations of twin beds and queen size beds.

For leisure activities, guests at Radisson Hotel Old Town Riga can make use of the fitness center. This amenity is specifically mentioned in the provided data. The fitness center offers guests an opportunity to exercise and maintain their fitness routine even while traveling. It can be a great way to stay active and relieve stress.

Unfortunately, there is no information provided on other leisure amenities at the hotel. However, being situated in the Old Town area of Riga, guests can explore and experience the rich history and culture of the city. They can visit nearby attractions such as Riga Cathedral, House of the Blackheads, and the Latvian National Opera. The hotel is also surrounded by numerous cafes, restaurants, and shops, giving guests plenty of options for dining and shopping.