Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Olsztyn (Warminsko-Mazurskie) (43% of total searches to Mazury). The next most popular destinations are Mikołajki (30%) and Ełk (17%). Searches for hotels in Giżycko (10%) are also popular.
KAYAK users have found double rooms in Mazury for as cheap as $20 (Iława) in the last 3 days. The average price is $110.