Ośrodek Wypoczynkowy Polonez is situated on the shore of Lake Czarne in the Masurian Lake District. The historic town of Mrągowo is within walking distance. There is free WiFi and parking. The rooms at Ośrodek Wypoczynkowy Polonez are clean and comfortable. They feature a TV with satellite channels. Most rooms have a balcony. A buffet breakfast is included. There is an onsite Masurian restaurant, serving local specialities, and a bar. Boat, canoes and bikes are available to hire. There are hiking opportunities in the area.