Campsites like Siblu near La Rochelle or Royan/South Vendee

[Agy10]

Hi all,
I’ve been going round the houses a bit with searching for a place to go mid to late August. We have 3 active boys, aged 9, 12 and the eldest will be 15. Upon showing my now 14 year old very active teenage son pictures of campsites like siblu and the eurocamp style ones, he was sceptical and said he might get be too old for it.
Therefore, please could someone recommend a resort near Royan, South Vendee and La Rochelle that would suit a 15 year old boy. He loves adrenaline type activities, mountain biking in particular but also very sporty. The weather is important hence coming down quite far on the west coast. Thanks

[Ricekrispie22]

Huttopia Lac de Carcans europe.huttopia.com/en/site/lac-de-carcans/#activites