The B&B tra l'Etna e il mare offers Deluxe Double Rooms with Private Bathrooms and Double Rooms with Private External Bathrooms. The Deluxe Double Rooms have a room size of 377 sqft and accommodate up to 3 adults, with a twin bed and a king-size bed. Smoking is not allowed in these rooms. The Double Rooms have a slightly smaller size of 269 sqft and can accommodate 3 adults and 1 child, with a twin bed and a double bed. Smoking is also not allowed in these rooms.

Based on the provided data, guests can spend their time at the B&B tra l'Etna e il mare via Oberdan by enjoying the featured amenities and other amenities available. Unfortunately, the specific details about these amenities are not mentioned in the data provided.

However, assuming the hotel offers leisure amenities commonly found in B&B establishments, guests can potentially enjoy facilities such as a swimming pool, fitness center, spa, or a garden area to relax and unwind. They may have access to recreational activities like hiking or biking trails, tennis courts, or a game room for entertainment.

Additionally, being located between Mount Etna and the sea, guests could also explore nearby attractions such as beaches, nature parks, or cultural sites. They may have the option to book excursions or activities through the hotel to further enhance their experience.