Volusia County, Fla. — A 16-year-old boy has died after being found unresponsive in the Indian River during a weekend camping and fishing trip, according to the Volusia County Sheriff’s Office.

Authorities identified the teen as Hunter McKelvin of Paisley. Deputies said he was discovered face-down in the water Saturday morning near a small island east of Maynard May Park in Edgewater.

Members of the group located the teen and immediately began CPR before transporting him by boat to Maynard May Park.

Upon arrival, officers with the Edgewater Police Department and other emergency responders took over life-saving efforts.

McKelvin was then transported to a local hospital, where he was pronounced deceased later that morning.

Investigators reported that no visible injuries were observed, and there were no immediate signs of foul play or suspicious circumstances during the initial investigation.

An autopsy has been scheduled as authorities continue to examine the circumstances surrounding the incident.