We do and before others say it, Yes it is our choosing to own and full time in a large RV or MH.
The trouble with attempting to wildcamp or boondock as its called in the US is you need a lot of good information with regard to a site before you venture to it.
Its okay if you can see a site ,say an ex filling station fore court from the road other wise it must involve a walk down a lane or path to check if suitable for your outfit.............perhaps this could be born in mind when reports on suitable sites are written?
For those on here who don't know when you tow a car on an A frame with ALL four wheels on the ground you cannot reverse back out if you say turn into a lane and find it's a dead end.oh:
We did see some nice spots. We stopped at New Quay overlooking the beach to wild camp but I think your van would probably be too big for more than a night. Although a very nice couple we spoke too said you would not get any hassle wherever you stopped this time of year.
Also Whitesands has a really nice camp site on the beach car park which is dirt cheap but once again although well drained you may find your self needing to be tugged off. The biggest problem you are likely to find is as Jim says, the roads are very narrow to beaches.
Why not move to another pitch at Eilleens so you feel your away and use you motor to go exploring.