Mr Carrigan, 19, was a car lover and went missing from the Albion Park Area on the night of Thursday, July 24.

It is believed Mr Carrigan's body was found in a black Holden Commodore pulled from Kiama Harbour on Wednesday, July 30.

A police statement said the body is "believed to be that of a 19-year-old man who was reported missing earlier this month".

Those distressed by Mr Carrigan's death can call Lifeline on 13 11 14; Mensline on 1300 789 978; or Kids Helpline on 1800 551 800.