PipeIsland rents kayak with self-service on Rörö. The kayak stands at Långholmsvägen, near the harbour on the south side of the island.
What they offer
Visit Öckerö describes rental from May to September. You take the kayak down yourself, paddle and put it back. Payment is by Swish according to their product page. Terms and more information are on pipeisland.se.
Good to know
Rörö is reached by ferry via Hälsö. The north and west of the island are a nature reserve. Always wear a life jacket. Outside the harbour you meet open sea to the west.