Beau Alan Follis, a Houston man, dies after collapsing while snorkeling in the Florida Keys, according to Monroe County officials.

KEY WEST, Fla. (KTRK) — A 65-year-old Houston man died Tuesday while snorkeling off the coast of the Florida Keys.

According to the Monroe County Sheriff’s Office in Florida, Beau Alan Follis was snorkeling when he lost consciousness.

CPR was performed and the U.S. Coast Guard brought the man ashore, where paramedics continued to treat him, MCSO said.

Follis was transported to the hospital, where he was pronounced dead.

Investigators said they do not suspect foul play in his death, although autopsy results are pending.