A teen visiting from Canada drowned in the backyard pool of a Long Island home while visiting family over the weekend, cops said. 

Abdul Brezault, 18, was discovered unresponsive in the water when cops responded around 8:20 p.m. Sunday to the Dix Hills home, Suffolk County Police said. 

Brezault, who was from Canada, was rushed to Good Samaritan Medical Center in West Islip, where he was pronounced dead, authorities said.

He was at the home on Lansdowne Lane near Burrs Lane for a family gathering, according to cops. 

His death remains under investigation, authorities said.