Sicily in June is jam-packed with colourful events and warm sunshine and low prices make the island a great destination for an early summer break. Villa specialist Wish Sicily features a large collection of apartments and villas for two to four with flexible arrival dates and, in some cases, three night minimum stays.   Beachfront on a budget:  Stay in a seafront cottage at Fontane Bianche on the outskirts of Syracuse, home to Italy’s leading Greek Theatre Festival (15 May-28 June) at the ancient theatre. The Case Maraldo cottages each have a private sea-view terrace and steps down to a…