An old quarry used by a local sailing club (on one side), the fishing community on another, and local yoof on another. The lake ('lagoon' feels rather hyperbolic, TBH) is on private land, and the latter are clearly not welcome guests, judging by the number of 'anti social behaviour will not be tolerated, no drinking alcohol' signs, and the losing battle they are fighting against discarded bottles and cans.
The lake is pleasant enough, but it seems you can't (legally) enjoy it unless you do s...