Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Rostock (60% of total searches to Baltic Sea (Mecklenburg-Vorpommern)). The next most popular destinations are Greifswald (20%) and Binz (10%). Searches for hotels in Warnemünde (10%) are also popular.
KAYAK users have found double rooms in Baltic Sea (Mecklenburg-Vorpommern) for as cheap as $39 (Warnemünde) in the last 3 days. The average price is $353.