The main town is well worth a wander. Its long pedestrianised main street is lined with services and a whole lot of stylish boutiques, bars and restaurants. Follow it to the end, to the distinctive, giant plane tree of Plateia Agios Nikolaou. From here, a narrow lane leads to the intriguing remnants of the old Venetian kastro, entered through an archway. This old fortified settlement dates from the mid-15th century.