State Police have found the body of 6-year-old Anthony Bernoudy, who disappeared at the water's edge at Green Harbor Beach in New London around 6 p.m. on Thursday.
Police said he and his family were out celebrating the Fourth of July, but they noticed the he was gone when they started to pack up and leave.
The family notified police. Police called in rescue dive teams from several local fire departments and state police and a Silver Alert was issued for a missing person.
While the search was underway, police were stopping people at the beach and going to the residential areas nearby to ask people if they had seen Anthony.
Crews searched for hours and found Anthony in the water, not far from the shore, at 11:10 p.m. on Thursday.
He was transported to a local hospital and pronounced dead soon after arriving, police said.
Green Harbor Beach is closed today as police investigate. It will reopen tomorrow, according to the mayor's office.
"All residents are advised to always exercise safety when undertaking activities in the water as safety is not always guaranteed," a media advisory from the mayor's office says.
New London Community boating at Green's Harbor Beach is also canceled on Friday.
This was the second tragedy on the water in Connecticut on the Fourth of July.
The body of Brandon Jozile, 16, of Norwich, was pulled from the water at Hopeville Pond State Park in the Jewett City borough of Griswold on Thursday.