Two men and a boy were arrested after five cars were broken into at the Coffin Bay Caravan Park on Thursday.
Just after 4.30am, police were called to Giles Street after reports of a man breaking into cars.
About 6am that morning police arrested a 28-year-old man found in the area and charged him with five counts of theft and illegal interference.
Following an investigation, police from Port Lincoln CIB attended a home in Port Lincoln where they arrested an 18-year-old man and a 16-year-old boy.
They were also charged with five counts of theft and illegal interference.
The victims’ property was recovered at the scene and returned to the victims.
The trio will appear in the Port Lincoln Magistrates Court on Thursday, February 15.