Stay in the heart of Siena – Excellent location – show map Locanda di San Martino is set in a medieval building in the historic center of Siena, just 1,000 feet from Piazza del Campo square. It offers free Wi-Fi throughout and air-conditioned rooms. Rooms at Locanda di San Martino have characteristic Tuscan décor, an LCD TV, and a private bathroom. Some feature great views of the city. Siena Cathedral is 1,950 feet from the Locanda Di San Martino. Siena Train Station is 1.9 mi away.