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Facility Description: The statement is accurate: The M Resort Spa Casino in Henderson completed a $206 million expansion and opened its new East Tower in late 2025, with the public debut tied to events on December 1 and a grand‑opening celebration on December 3.
The M Resort Las Vegas now features 765 rooms and over 100,000 square feet of event space. The expansion nearly doubled the hotel's capacity by adding a 375-room East Tower and a 15,000-square-foot Montese Ballroom.
Expansion Details: A 375-room second tower was added, increasing the total inventory from the original 390 rooms.
Sleeping Rooms: 765 total rooms and suites.
Meeting/Event Space: Over 100,000 square feet of total indoor and outdoor space.
Key Event Facilities: The new 15,000-square-foot Montese Ballroom, plus the existing M Pavilion.
Green/Environmental Initiatives: