Las Vegas Sands Corp wants to construct the 150,000 sq ft entertainment centre on the training ground at Mansfield Town Football Club.
The development would feature a hotel, restaurants and bars.
If approved, it could be licensed by 2010, and bring 3,000 jobs to the town.
Rodney Brody, head of development for Las Vegas Sands in the UK and Europe, said: "People will be able to come in and feel part of their football club.
"There will be restaurants and entertainment areas, which would screen sport from all over the world.
"We would want people from Nottingham and the East Midlands to visit."
The company owns the Venetian resort in Las Vegas - a re-creation of the Italian city.
Meanwhile, Nottingham City Council has not formally approached the Government but said it might look at smaller casinos.
Broxtowe and Ashfield have also expressed an interest in casinos.
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