An aspiring environmental prosecutor writes:
A gigantic sand sculpture will grace Front Street as a part of Wednesday's Harbour Nights. Let's hope it's made out of debris from Club Med. Because if it is made out of beach sand, it will be a clear violation of the law which forbids the removal of any sand from the beaches.
The reader is correct I think. I believe the Act that covers it is the Sports, Camping and Recreational Areas Act 1977:
6 Any person who within a declared area—
(a) wilfully takes, removes or destroys any plant, tree or shrub, or makes any excavation or removes any sand, stone or soil; or