Guests at the hotel can enjoy a terrace, as well as air-conditioned rooms with free WiFi and a private bathroom. The hotel offers guests a restaurant and a bar. Private parking is available on site. At Hotel Onyx, all rooms have a flat-screen TV, a wardrobe and a private bathroom. Extras include bed linen and towels. The rooms also have a safety deposit box. Speaking English, Italian, Romanian and Russian at the reception, staff are always on hand to provide information.