Ferries to Föhr are operated by WDR from Dagebüll Hafen (50 minutes, up to 14 daily) which has a train service that connects to the main line at Niebüll. Up to 13 boats make the trip daily in the high season, taking 45 minutes to Wyk. Book in advance.
There’s an hourly bus service to all villages on Föhr. You’ll find bike-rental outlets in every village.