Janus Hotel Welcome to the luxurious, 4 star Janus Hotel in Castelsardo. The hotel has both on and off site car parking available. Guests can enjoy a meal at the hotel restaurant. Meeting facilities and wifi are available. Room Features Janus Hotel. All rooms have a hairdryer. There is a no smoking policy throughout the hotel. Wifi internet access is available in all rooms. All rooms feature a stocked minibar. Additional Info. The hotel offers an airport shuttle service. Pets are welcome at the hotel. A concierge service is provided for guests. The hotel has disabled facilities with wheelchair access to the hotel, reception, restaurant, bar, conference facilities and disabled car parking spaces areas of the hotel.