Franklin,
Read the following web sites which will give lots of info and reviews.
www.scottishcampingguide.com
www.undiscoveredscotland.co.uk
www.ardmair.com ( we went here last year )and enjoyed the site.Toilet facilities good, shop selling camping extras.Approx 5 miles north of Ullapool.
www.clachtollbeachcampsite.co.uk
This is on the list to try this year.....the reviews all seem to rave about the site.
We are also going to try Sango Sands Bay caravan site Durness.Reviews also seem to be good.All we need is the weather.
There is also a good site on the Ardnamurchan Peninsula....Resipole Farm.We drove to see it last year and the standards are excellent.
If you like Club sites,there is nothing to beat Bunree Caravan Club Site at Onich 8 mls south of Fort William.Always booked solid so advance planning essential.
That should feep you quiet for a while !!
)