The biggest hotel by room count in Las Vegas has the biggest casino in town, many of the best restaurantste enormous and fun pool complexand a huge range of on-site entertainment options.lucky ace casino WIN AT CASINO ROULETTE Nightlife. Amenities. Casino. Meetings & Groups. M life Rewards gets you access to the best MGM Resorts has to offer. Join today and receive: • Up to 20% off room rates • Pre-sale ticket offers to world-class entertainment • Discounts at participating retail shops • Access to exclusive M life Moments. Lion statue outside MGM Grand Hotel Casino in Las Vegas. Image copyright Charlyn Keating Chisholm, licensed to kasinovegasx61c.xyz One of the largest hotels in the world, the MGM Grand dominates the corner it takes up, with a huge gold lion and gigantic video screens outside. The MGM Grand Las Vegas (formerly Marina and MGM -Marina) is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada. The MGM Grand is the largest single hotel in the United States with 5, rooms.