Drink Aware is warning that alcohol and swimming don't mix.
The group say that alcohol is a factor in a third of all drownings.
Students from DIT recently ran an awareness campaign entitled "On The Rocks" their research found that 68 per cent of students had drank in unauthorised places, that may not be safe.
Fionnuala Sheehan is Chief Executive of drinkaware.ie - she's urging people to remain vigilant this weekend: