The man who owns the Naul shop which sold the winning Euromillions ticket initially thought it was his syndicate that might have scooped the €175m jackpot.
But Les Reilly of Reilly's Daybreak says he's "absolutely delighted" for whoever the lucky winners are. It's believed they're a local family in Naul and Co. Meath.
This is Ireland's biggest ever jackpot win, but what's the best thing to do with a cash prize that big?
Daniel Moroney from Investec Wealth and Investment offers some advice while Counselling Psychologist and TU Dublin lecturer Leslie Shoemakers offers a cautionary tale...