"I came on the show to learn something new I could do and to have a good time, and I did those things. It's been a journey ... with some low lows," he told host Dominic Bowden before thanking Stewart for her time and patience.
"I've got no regrets - we're leaving on a high."
Cameron, a boxer, and his partner Nerida Cortese had earned 23 points for their samba performed to Gloria Estefan's Conga.
He thanked his parents, his wife, and Cortese for training him.
"It's been absolutely fantastic to get this far - I'm blown away. I'm just stoked to get this far."
The remaining contestants include Chrystal Chenery, Simon Barnett, Siobhan Marshall and Jay-Jay Harvey.
- nzherald.co.nz