There are lingering concerns about New Zealand's ability to host the Rugby Championship - a tournament which has been dominated by the All Blacks - because of the virus outbreak in Auckland.
But Marinos told Stuff: "I feel as if we're close…my philosophy is you've got to control the controllables, and make sure we're doing everything we can so that when the green light is given we can turn things on."
When approached for comment by NZME, a Sanzaar representative said no comment would be made at the moment.
There is general confusion over rugby's schedule with various conflicting reports coming out.
The eight-team tournament will involve England, Wales, Ireland and Fiji in one pool, and Scotland, Italy and France confirmed for the other.
Georgia was originally considered as a replacement for Japan, but that may have changed.
Adding to the confusion, the BBC quoted a South Africa Rugby spokesperson who said they had "no knowledge of such an arrangement being planned".
Marinos said last week that New Zealand was opposed to shifting the Rugby Championship to March/April, to align with the Six Nations, but Australia was more open to it. This year's hastily arranged RC will run from November 7 to December 12.
The eight-team tournament replaces the usual autumn schedule for the northern teams, and will start on November 15 which is a fortnight after the Six Nations ends. The final is at Twickenham on December 6.
It is also reported that England players have agreed to a 25 per cent pay cut for the matches, a drop of about $12,000 per game.