One Nation leader Pauline Hanson has demanded a casino be built in central Queensland in exchange for the party's support in balance of power negotiations.

The casino, which would include 30 tables, would be built on the luxury Great Keppel Island, off the coast of Rockhampton.

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Visiting the region today Senator Hanson said a business case for the casino and resort project had been knocked back by the major parties.

"If you're going to bring tourists from overseas, they need to go into a resort, they need to have a bit of a gaming table, and they will play it," Senator Hanson said.

"It's not going to impact on locals because locals aren't going to get on a boat and go over there to play at the tables.

"It will employ 1,500 people. That is what we need, jobs in Queensland."

The Queensland Government has approved a new casino in Cairns and another licence is available for the Gold Coast.

Senator Hanson said one of the licences should be transferred to Great Keppel Island.

"One Nation does not support another casino on the Gold Coast," she said.

"You've got to spread it across the state. And this is where it needs to be.

"If we end up with balance of power in the Parliament, this development has to go ahead. It is one of the deal breakers.

"They [Labor and LNP] have blocked it purely because they will not give a licence for up to 35 tables."

"But both of them were very interested in setting up another casino on the Gold Coast or a casino that will be Chinese owned in Cairns with about 700 tables.

"It is sheer bloody-mindedness and this is why this state is going backwards — because the Government and the Opposition all these years cannot have vision, foresight."

Tower Holdings CEO Terry Agnew said his company would be able to start construction within 12 months if it got the casino licence.

"It underwrites the opportunity to get the finance through, and it kickstarts the whole thing," Mr Agnew said.

"We're supporting One Nation. They're our champions at the moment.

"The Liberal/Nationals are wishy washy and the Labor Party is 100 per cent against us."