Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Rostock (66% of total searches to Baltic Sea (Mecklenburg-Vorpommern)). The next most popular destinations are Wismar (15%) and Warnemünde (10%). Searches for hotels in Greifswald (8%) are also popular.
KAYAK users have found double rooms in Baltic Sea (Mecklenburg-Vorpommern) for as cheap as £20 (Warnemünde) in the last 3 days. The average price is £173.