Well I'm hoping to make the next Welsh Bongo Bash.
I'm not too far down the road (few hours, traffic allowing) - so this will be my "local bash" in future
I know Pembrokeshire quite well. I've camped there a lot over the years, and took my Bongo "Blodwyn" there last summer, for a long weekend.
I stayed at one of my fave sites "Caerfai Bay" - they do have hook-up pitches, however, I was too late booking to get one of those (didn't matter though) excellent loos & showers / facilities there... and quite close to St. Davids city centre (just over a mile) and you're right on the coast path, with stunning views
Haven't tried the site the Welsh Bash was at, but it does look good. I'm looking forward to the next one