Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hamburg (97% of total searches to Wadden Sea). The next most popular destinations are Esbjerg (1%) and Sylt (1%). Searches for hotels in Den Helder (0%) are also popular.
KAYAK users have found double rooms in Wadden Sea for as cheap as £15 (Sankt Peter-Ording) in the last 3 days. The average price is £169.