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!
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5. Looks too easy for some
Melinda O'Reilly enjoys the water at Portobello Beach despite freezing temperatures on Christmas day. The annual tradition saw dozens dive into the water just off the coast of Edinburgh. Photo: SWNS
6. Wild swimmers in their element
Swimmers from Wild Swim Scotland in their element as they join the annual festive tradition with others on Christmas day. Photo: Lisa Ferguson
7. We did it!
Christmas spirit kept high at Portobello Beach as swimmers Ross McNulty and Gareth Rudd celebrate braving the cold waters on December 25. Photo: Lisa Ferguson
8. Proud and posing
Elaine Mcohrie, Isabella McNamara, Kirsteen Barr-Kearsey, Marie Rudd and Jo Mellish from Wild Swim Scotland proudly posing after making it into Porty's waters despite the freezing weather. Photo: Lisa Ferguson