I ran rallies there many many times,it was and still is owned by Allens Caravans and i assume still has the miniture railway running around it.
It was partly a Park Home site and Allens have moved increasingly to Park Homes and Holiday static sites.The founder Bill Allen (now no longer with us) who I knew well only ever bought sites that has water attached to the as he believed that it was a thing that attracted people to his sites.