Hotel Mare Guests checking into the 3x000D star Hotel Mare in Portoferraio are assured of a warm welcome. Both on and off site car parking is available. Dining is available at the hotel, which has it's own restaurant. Room Features Hotel Mare. All rooms have a hairdryer. All rooms feature a stocked minibar. Leisure Info. The Hotel Mare offers a range of leisure facilities. Hotel guests can relax in the hotels outdoor swimming pool. Adventurous guests can choose from activities including mountain biking with our mountain bike hire and sailing.