M Resort Spa Casino is a Forbes Four-Star resort located on South Las Vegas Boulevard, known for its modern architecture and panoramic views of the Strip and mountains. Recently expanded in late 2025, the venue now features 765 guest rooms and over 100,000 square feet of versatile event space, including the expansive M Pavilion and the newly added Montese Ballroom. The resort offers a boutique feel with resort-style amenities, including a world-class spa, a large pool complex, and diverse dining options.