The group swim on a secluded beach 50km south of Dublin was in support of a good cause as the naked swimmers raised funds for a children's cancer charity.
Donegal women have played their part in a new world record for the world's largest skinny dip.
The organiser of a world record-breaking skinny dip, which saw more than 2,500 women strip off to the take the plunge, has hailed it an empowering experience in the fight against cancer..
On Saturday, the sea temperature off Magheramore beach, where the Irish swim was held, was a bracing 12 degrees, despite a recent spell of warm weather.
Today, 2,505 women ran into the sea on a secret beach to raise money for children's cancer charity Aoibhean's Pink Tie.
60 people attended the inaugural swim while numbers grew to 200 for last year's event.
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Told by doctors he would never recover, the parents agreed to remove him from life support and he died six days later , age 22. Warmbier was evacuated in a coma on June 13, 2017, and returned home to his family in Cincinnati.
The "Strip and Dip" is the brainchild of Deirdre Featherstone, who has organised the event for the past six years.
"Oh my god it was fantastic", said Strip and Dip participant Deirdre Betson from Dunboyne. "We are all different shapes and sizes and ages and it was just super".
To date the event has raised in excess of €150,000.
"Aoibheann went to school with my daughter".
In order to break the previous record of 786 participants which was set in Perth, Australia in 1015 the ladies had to stay in the water for 5 minutes. "It was great craic", she said after coming out of the water.