Go for a walk by the water and get some fresh air at Schull Harbour. It's always relaxing watching the boats as they come and go.
You'll be spoiled for sightseeing choice in Schull. Schull Harbour is a great place to begin here, but there are lots of other interesting sights to enjoy. Mount Gabriel, Schull Planetarium, and Cape Clear Heritage Centre are close to the place for ships to anchor and and will cap off your day nicely.