I stayed in La Palmyr in the South of France last summer. We stayed at a camping place called "camping bonne ans plage". I have to say, i was pelasantly surprised. There were loads of features including: parks, rock climbing, swimming pools, on campus shops, a laundrette, crazy golf, a bar with a widescreen tv and a small 'disco'.
The place is definitely family friendly, and is conveniently situated just across the road from a popular beach.
During my stay there, i made a number of friends, both french and english. I found everyone to be extremely friendly, and thoroughly enjoyed spending time with the people i had met during my time there.
Baring in mind im not the camping sort, i somehow enjoyed myself alot more than i would have had i been in a hotel. The toilets and shower cubicles were all extremely clean, and there was enough there to accomodate around 100. Never did i have to wait to go and have a shower, or straighten my hair with the plugs provided :)
Really would recommend to others, i had a great time and really loved the overall atmosphere (and the 40 degree celcius weather!)