The first time we walked to Sandwood Bay, several years ago, we were able to drive up a rough track for a couple of miles, before beginning the walk. We did not see a soul all day and really enjoyed the isolation and solitude.
There is now a carpark back at Blairmore, and rather more visitors making the easy walk up the most direct track. An alternative route is to walk from the carpark to the end of the road at Sheigra and follow another track which ends at some old peat cuttings. A bit of rough walking brings one out to the coast south of Sandwood Bay with a more interesting route along the top of the cliffs.