A 49-year-old man from Mellieha was found dead in some bushes on the Bugibba seafront on Sunday morning.
The body was found in Dawret il-Gzejjer, at around 7.45am.
An ambulance was called but the man was certified dead on site.
One News reports that the man was identified through his mobile phone. There were no apparent signs of violence.
Magistrate Joe Mifsud has launched an inquiry.