The bathing beach at Siethener See is located directly at the entrance to the village on Potsdamer Chaussee. A parking lot with several parking bays is located directly on the state road. Separated from the road by a green belt, there is a large sunbathing area and a small beach that provides access to the natural lake. The bathing area is regularly sampled by the county health department. There are trash cans, some seating areas, and an emergency call box. From the bathing place, you can take a walk around the lake via a footpath.