Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hamburg (96% of total searches to North Sea Coast). The next most popular destinations are Sylt (2%) and Freiburg (2%). Searches for hotels in Bremerhaven (1%) are also popular.
KAYAK users have found double rooms in North Sea Coast for as cheap as $21 (Dagebüll) in the last 3 days. The average price is $238.