DEERFIELD BEACH (CBSMiami) — A man’s body washed ashore in the middle of the night, leaving police mystified.

The body was found near the 900 block of Southeast 21 Avenue around 3:15 a.m. Wednesday.

A Broward Sheriff’s Office deputy made the gruesome discovery while on ATV patrol, according to BSO Public Information Officer Veda Coleman-Wright.

BSO is investigating the circumstances behind the mysterious find.