Around 100 youths gathered once again at sand dunes between Pembrey and Burry Port on Tuesday night.
The following morning the full extend of the litter, broken glass and mess left behind was discovered.
Police are now warning parents, guardians and the responsible young people to treat the beautiful area we are so lucky to live in with respect & dignity that it deserves.
In a statement on social media, Kidwelly and Burry Port police officers said: “If you are intending to travel to our area to cause anti-social behaviour and mistreat the environment in the way demonstrated last night, we will take swift & robust action against you.
“We are reviewing the footage from last night in an attempt to identify individuals.
“If you have any information on the matter, please get in contact via 101.”
(Lead image: Dyfed Powys Police)