Also, if you book your M Resort Casino vacation package in Las Vegas with Travelocity, you’ll get access to our best travel discounts. Whatever time of year you choose to visit M Resort Casino in Las Vegas, it’s always a good idea to reserve a package deal. Our goal is simple. Enter the M Resort hotel room and you’re immediately greeted by rich woods, recessed lighting and clean lines. Stretch out on the inviting pillow-top mattress or relax in the deep soaking tub.