I got the following from a colleague today. I've booked 8 days in the Beau Rivage!:
'Camping beau Rivage Meze we???ve been going to for years. We love the region (herault Languedoc), the weather is pretty much guaranteed. Meze is a really nice fishing village with bars/restaurants around the port. It???s on a lagoon, rather than the sea, with an artificial beach. It???s actually really nice and very safe. If you can, reserve one of the privilege vans which look out directly onto the lagoon ??? you can have breakfast watching the boats, people collecting shellfish, herons etc. About a 10 minute walk into the centre and the beach along the shore. At night all the lights come on in Sete across the lagoon.
The vans are good. The site is Ok ??? pretty regimented French holiday style. Nice pool and cabana.
http://www.camping-beaurivage.fr/content/gb/accueil/1/
In the same region is http://www.camping-lerebau.fr/en/montblanc.htm quieter, in a sleepy wine producing village about 20minutes from the sea. About 10 minutes walk from the centre, bakeries, bar, mini market. ??
You could fly to Montpellier and be at either place in about 20minutes. It???s not as long a drive as it used to be since the Viaduc at Millau was built. It???s about 650 miles from Calais.
Another destination in the south might be Saintes Maries de lar Mer ??? not stayed there but liked the place. Likewise Aigue-Mortes.
We???ve also been to http://en.aubonair.com/ which is on the westcoast very near the Ile d???oleron. Nice place, not so far, think you would fly to la Rochelle.?? But driveable. You can see from the pic there???s a lagoon built which is really nice for kids swimming, walk out of the site, about 200m.
Nice region, the Island is lovely, lots of chateaux, close to cognac.
Another one I thought of was Camping du Pylone. We were there in august. Very busy, but you are in Antibes, train right outside goes to Italy in one direction via Monaco, Marseilles the other. Marineland (dolphins, killer whale) is next door. No website, but there are loads of English owned vans on the site for about ??500 a week. Fly to Nice.
Lastly, not far over the border ??? camping las dunas in Roses Spain is a really good large holiday site, directly on a protected dune beach. Probably fly to Girona. Very close to Figueres (Salvador dali museum and a great toy museum) and 90mins to Barcelona by train.
When did you say you were going? The French all tend to go on holiday about mid july, so it gets very busy then. Just before is good.