The body of George Boyce was discovered in Sandylands caravan park in Saltcoats, North Ayrshire, at about 11.35pm on Thursday.
The 41-year-old, from Neilston, East Renfrewshire, was pronounced dead at the scene. His family have been informed.
A 28-year-old man has been arrested in connection with the death and is expected to appear at Kilmarnock Sheriff Court on Monday.
A report will be submitted to the procurator fiscal.