"It's great, good on him," Mr Dunn said.
"If he does what he says he has planned then it would be great.
"Let's see if this actually happens."
Mr Palmer purchased the resort in 2011 but in 2015 it was closed, putting 600 staff out of work and shareholders of 144 villas in limbo.
Clive Palmer has announced a $100 million rejuvenation of the mothballed Palmer Coolum Resort. Picture: Patrick Woods.
In November last year the former Fairfax MP agreed to pay 310 unit holders for their quarter shares in a class action settlement worth $21 million.
It brought a long-running court dispute to an end and essentially gave Mr Palmer total control of the resort.