The festive tradition takes place every year in Portobello, Edinburgh, on Christmas morning.
Hardy swimmers, some wearing antlers and Santa hats, dashed into the sea to splash around despite air temperatures being 2C.
Even a dog joined in with the fun after chasing its owner into the water.
Here are pictures showing the bold festive activity some took part in on December 25!
A message from the Editor:
Thank you for reading this article. We're more reliant on your support than ever as the shift in consumer habits brought about by Coronavirus impacts our advertisers.
If you haven't already, please consider supporting our trusted, fact-checked journalism by taking out a digital subscription.