By Ferry -- The only way to reach Ærø is by ferry; car ferries depart Svendborg six times daily (trip time: 1 hr.). For a schedule, contact the tourist office or the ferry office at the harbor in Svendborg. Bookings are made through Det Æroske Færgegraf-Ikselskab in Ærøskøbing (tel. 62-21-09-80). An average car can be transported for DKK392 ($67/£39) round-trip; a passenger, DKK178 ($30/£18) round-trip.
By Bus -- It's best to take a car on the ferry as there's limited bus service on Ærø (tel. 62-53-10-10 in Ærøskøbing for bus information). Bus no. 990 runs every hour on the hour in the afternoon between Ærøskøbing, Marstal, and Søby, but there's only limited morning service. Tourist offices provide bus schedules, which change seasonally. Tickets are DKK70 ($12/£7) for the day and can be bought on the bus.
If you'd like to take a bus tour of the island, call Jesper "Bus" Jensen (tel. 62-58-13-13). His bus holds 12 to 14 passengers, costing DKK450 ($77/£45) for a 3-hour minimum.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.