Residents in Rathlee are annoyed that rubbish remains on the shoreline since being dumped there during the summer months.
The waste material includes bottles, cans, broken glass and discarded furniture.
The rubbish has been there since the annual mid-summer fires.
One local person described the debris as an 'eyesore': "The mid-summer fires go back to ancient rituals. It's a way for people to dispose of their rubbish. There were efforts to monitor it a number of years ago but this year there is a big mound of rubbish in this beautiful setting."
A sign indicating that a €1,500 fine applies to illegal dumping was also damaged in the fires.
A county council spokeswoman said it was investigating the matter. However, she said the council records all complaints but had received no complaint about this in 2013. She said a very similar complaint was received in 2012, and this was dealt with.