Wander by the water's edge and get some fresh air at Nykoping Harbor. It's always relaxing watching the boats as they come and go.
This place for ships to anchor in Nykoping is popular with many travelers, so put it on your schedule. Don't stop there, though. There are many more options waiting for you to appreciate after Nykoping Harbor. Nykoping Castle, Sormlands Museum, and F11 Airplane Museum are nearby.