When we call back Vegas , we think MGM Grand . build   in 1991 as a massive extension to the already - huge Marina Hotel , the hotel and cassino is as synonymous with Las Vegas as Elvis impersonator . But there ’s a mountain more to it than meets the oculus ( and what take on the eye is GREEN ) , so we ’ve rounded up 11 things you did n’t know , from lion retirement plans to what it ’s like to be a high - roller .

1. A small city passes through the hotel, daily

Hotel staff estimate that 70,000 people pass through the hotel each day . So , roughly the same size as Scranton , PA . This crew is there to hit the casino or stay in one of MGM Grand ’s 6,852 room .

2. Hotel staff wash 92,000 lbs of linens every day

That ’s a lot of spilled champagne . It makes mother wit when you consider that 12,000 guests outride at the hotel each night . And a mountain of them have stuff to lionise .

3. The casino is the largest in Vegas

Which is pretty mad for a city not known for relief . The gaming floor is 170,000 straight human foot , with over 2,300 play machines . Think three football game fields , full of slot motorcar and table secret plan .

4. The fight night average is half a beer per head

leave Scranton , on a scrap Nox , more than 100,000 people pass through the hotel , and will salute around 50,000 bottles of beer . MGM Grand Garden Arena seats 16,800 , so a sold - out scrap is no small trade – and that ’s not counting the paparazzi watching the front dustup .

5. It used to be down the street

The first MGM Grand Hotel open up on the internet site of the old Bonanza Hotel and Casino in 1973 , and cost a whopping $ 106 million – the eq of $ 560 million today . MGM sell that holding in 1985 ( it ’s now Bally ’s ) , and moved to the current site at what was once the Marina Hotel . It ’s like hotel melodious chair .

6. It’s Floyd Mayweather’s home turf

He first fought at MGM Grand as a 17 - twelvemonth - honest-to-goodness amateur in 2004 , against Martin Castillo , and has since spring up up to set four of the five live gate record there – top is his 2013 battle against Saul Alvarez , which gross $ 20,003,150 . MGM Grand lie with him so much that they advertised his 2014 Showtime pay - per - view fight against Marcos Maidana with a 20 - story wall painting that read " habitation of The Champion . "

7. That Tyson vs. Holyfield fight was tough all around

June 28 , 1997 , the night that Mike Tyson famously bit off a piece of Evander Hollyfield ’s ear at MGM Grand , was also a rough one for fight referee Mills Lane . He ’d sold his shirt to a memorabilia collectorbeforethe competitiveness for a measly $ 200 . berth - fight , a shirtless Lane reportedly step MGM Grand , probably like he ’d waitress till after the fight to cut a deal .

8. It used to be even crazier about lions

The quondam casino incoming was through a giant Leo the Lion ’s mouthpiece , but some player worried it was bad chance to enter a casino this elbow room . In distinctive Vegas fashion , MGM Grand decided upon a new , 100,000 lb bronze lion statue above the entranceway . The casino entrance hall also housed a resilient lion habitat from 1999 to 2012 , where guest could watch trainers bring with and bung over twenty lions . The retired qat now live with trainer Keith Evans on his ranch outside Vegas . ( No , this is n’t like when your hound went to " the farm . " )

9. $3 can net youa lotthere

Some of the slot at MGM Grand will execute you $ 1,000 per spin , with non - jackpot payouts as mellow as $ 500,000 . The jackpot are even bigger – for instance , a $ 3 spin on a slot auto devote out $ 2.4 million in 2014 ( and has probably been crowded ever since ) . For the really high - stakes players , check out the table game , where bets reportedly move as high as $ 75,000 .

10. You can get a free suite… maybe

high-up , in high spirits - roller , and Edgar Guest of the casino spend the dark at The Mansion , MGM Grand ’s ultra - luxurious villa tucked away behind the main hotel . certainly , you may reserve it , for upwards of $ 5,000 a night , but the more fun elbow room to get in is to get comped . The reported going charge per unit for a free way here ? Gaming in the cassino with over $ 500,000 . No big deal .

11. Hakkasan servers make more costume changes than Kimye

Main base staff at Hakkasan , MGM Grand ’s five - level nightclub and eating house , change equip for each resident DJ set – up to four a night . ruby wine-colored stain ? No problem .

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Courtesy of MGM Resorts International 

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Courtesy of MGM Resorts International