Ustka port (port code:PLUST) is a small commercial and fishing harbour, situated along a widened section of the River Slupia, 18km from the town of Slupsk. It is also a health spa resort and therefore visited by numerous yachts. Severe weather conditions can result in silting within and outside the harbour. It is situated at the mouth of Slupia River, SW of Rowy port. Approx 3,200t of cargo handled annually.