Watch the commuters come and go at Kristiansund Ferry Port. Alternatively, purchase your own ferry ticket and see where the route takes you.
You'll have no end of sightseeing choices when staying in Kristiansund. Kristiansund Ferry Port is an ideal place to start here, but there are plenty of other worthwhile sights to visit. The Fjord Route, Atlanterhavsbadet Indoor Water Park, and Skjerva are not far from the ferry passenger terminal and will fill in your day nicely.