Cathal McDonagh, 12, went wading through a lake near his home in Ireland, when he stumbled on a piece of wood.
As he looked at the piece of wood in Cloonaholly Lake in Castlerea, Co. Roscommon, he saw the wood was longer and wider than a regular piece, according to Inside Edition.
He called his older siblings and parents, who helped him retrieve what turned out to be a 17-foot boat.
After reporting their find to the Underwater Archaeology Unit, part of the Department of Culture, Heritage and the Gaeltacht, the family were advised to put the boat back in the water to preserve it, according to the Irish Independent.
The boy’s mother told the newspaper that he was supposed to be doing his homework when he made the discovery.
The lake is home to at least one crannóg — an artificial island used as dwellings and defense mechanisms in prehistoric Ireland, according to Irish Central. Crannóg's are the oldest dwellings in prehistoric Ireland.
Initial theories suggest the boat could date back to the Neolithic age, which began 12,000 years ago, but it could also be from the medieval period.