Police have confirmed that wreckage, found in Fiordland today, belongs to the crayfishing boat K'Cee, and the two people aboard were Te Anau men Bruce Robert Gordon, the boat's skipper, and Darren James Allen.
The debris was first sighted off Rocky Point on Secretary Island, which separates Thompson and Doubtful Sounds in an area popular with commercial crayfish boats.
Police were notified at 9.30am today that the 30ft aluminium crayboat was reported overdue, with the two men, aged 42 and 37, aboard.
The last radio report from boat was received at 8.15am yesterday.
Bluff fishermen's radio operator Meri Leask sent a radio broadcast to all vessels in the area asking for help.