In no particular order...
1. Walk north along Macrahanish Beach (and if you carry on a wee bit norf ver a very rocky stretch, there's a nice pub on another nice beach.)
2. Walk south along Macrahanish Beach (and if you carry on a wee bit souf, there's a nice pub.)
3. Walk aross the causeway to see the painting in the cave on Davaar Island then walk round the base of the cliffs and mibbe go up top before crossing back to the mainland and a pub in Cammlton.
4. Walk down to the lighthouses at the end of the Mull, look across to Ireland, consider walking north along the cliffs, walk back to your car and drive to a pub.
5. Check out some of the pubs.