Every Christmas morning in Ireland, something extraordinary happens. Thousands of people in swimsuits march toward the water’s edge and jump into a freezing sea.
Some are wearing Santa hats. Some are in full Christmas pyjamas, still clutching a mug of tea. Children shriek and drag each other back in. Strangers applaud from the shoreline.
This is the Irish Christmas swim. And if you’ve never seen it, you’re missing one of the most joyful traditions the country has.
A Tradition No One Invented
No official decree started the Irish Christmas swim. No committee agreed on it. It simply was.
The Forty Foot at Sandycove in Dún Laoghaire has welcomed year-round swimmers for well over a century. Christmas morning was always its busiest day. The tradition spread outward from there — to beaches in Galway, Cork, Sligo, Clare, and everywhere in between.
Today, it takes place at hundreds of locations across Ireland, all on the same morning. No organiser required.
The Forty Foot: The Country’s Most Famous Swim
The Forty Foot is a rocky promontory at Sandycove, on the south side of Dublin Bay. The name is said to come from the 40th Regiment of Foot, a British army unit once stationed nearby.
For much of its history, it was men-only. Women were kept off the rocks by convention and, eventually, by signs. That rule held until the 1990s, when it finally fell and women claimed their place in the water.
On Christmas morning, swimmers arrive from first light. The sea temperature in December sits around 8–10°C. In any other country, that would be reason enough to stay inside. In Ireland, it is almost the point.
Why They Do It
Ask an Irish person why they swim on Christmas morning and you’ll get a different answer every time.
Some go for charity. Swims around the country raise money for the RNLI, local hospices, and children’s hospitals. Fundraising totals from Christmas and New Year dips run into hundreds of thousands of euros each year.
Others go because their family always has. Their father swam. Their grandmother watched. Now they bring their own children to the same stretch of water.
But the real answer is something harder to name. There’s a moment — just after you hit the water and before the cold fully registers — where everything else disappears. The plans, the noise, the long to-do list of Christmas Day.
It’s a reset. A way of beginning the day cleanly. And it’s done together, with everyone around you going through exactly the same thing.
☘️ Enjoying this? 64,000+ Ireland lovers get stories like this every week. Subscribe free →
Where to Find It Across Ireland
The Christmas swim is not a Dublin thing. It happens everywhere.
Salthill Promenade in Galway draws a crowd that fills the full length of the seafront. Rosses Point in Sligo brings families from across the north-west. Garretstown Beach in West Cork holds a beloved community swim every year.
In County Dublin, Portmarnock and Malahide both host swims that draw large family groups. Most begin around 11am, though the Forty Foot is busy well before that.
If you’re planning a trip to Ireland over the Christmas period, finding your nearest swim is well worth the effort — even if you only watch.
The Tradition That Keeps Growing
In recent decades, the Christmas swim has grown into something bigger than any single beach.
New Year’s Day has brought its own version. Swimming clubs hold organised polar plunges on January 1st, welcoming the new year by making the first act of it deliberately uncomfortable — and then laughing about it.
Sea swimming generally has surged in Ireland over the last decade. Wild swimming clubs have appeared in every coastal county. Winter dipping has become a fixture of Irish life in a way it never quite was before.
But the Christmas swim started it all. And it has never needed an explanation.
You’ll Understand When You’re in the Water
The Irish have always had a talent for turning hardship into ceremony.
A country that once had so little found ways to mark the things that mattered — the seasons, the turning of the year, the gathering of community around something shared.
The Christmas swim is cold, chaotic, and often very loud. Someone always goes in fully dressed. Someone always claims they weren’t planning to stay long, then stays until their lips turn blue.
And every year, the people who swore they’d never do it again are back at the water’s edge, breath rising in the winter air, already laughing before they’ve even got their shoes off.
Find your nearest beach this Christmas morning. You’ll understand the moment you surface.
☘️ Join 64,000+ Ireland Lovers
Every Friday, get Ireland’s hidden gems, local secrets, and travel inspiration — the kind you won’t find in any guidebook.
Subscribe free — enter your email:
Already subscribed? Download your free Ireland guide (PDF)
Love more? Join 43,000 Scotland lovers → · Join 30,000 Italy lovers → · Join 7,000 France lovers →
Free forever · One email per week · Unsubscribe anytime
Secure Your Dream Irish Experience Before It’s Gone!
Planning a trip to Ireland? Don’t let sold-out tours or packed attractions spoil your journey. Iconic experiences like visiting the Cliffs of Moher, exploring the Rock of Cashel, or enjoying a guided walk through Ireland’s ancient past often sell out quickly—especially during peak travel seasons.
Booking in advance guarantees your place and ensures you can fully immerse yourself in the rich culture and breathtaking scenery without stress or disappointment. You’ll also free up time to explore Ireland’s hidden gems and savour those authentic moments that make your trip truly special.
Make the most of your journey—start planning today and secure those must-do experiences before they’re gone!