SUPKAJAK rents stand-up paddleboards, kayaks, BigSUPs and YogaSUPs from Söder Mälarstrand 250/252. A BigSUP can carry up to 10 people. The operator also offers paddleboard and kayak courses, guided tours, and equipment or activities for private and company events. From the dock, Visit Stockholm lists shorter routes towards City Hall or around Långholmen and Reimersholme, and a roughly 13-kilometre route around Kungsholmen.

The rental dock is beside the storage containers, where visitors check equipment in and out. Book online or contact SUPKAJAK by phone, text message, WhatsApp or Signal at +46 (0) 769 09 03 81. The supplied information does not give rental prices.

SUPKAJAK says it operates year-round, daily from 09:00 to 21:00 or until sunset. In November, which the operator lists as low season, staff are usually not at the rental site, so contact them before booking. The service closes in rain, storms, thunder, strong winds, or when conditions are too cold or icy for paddling. The operator says attendance is greater during May to September. Go to Söder Mälarstrand 250/252, not to Reimersholme or Långholmen.