The Largest New Mansion For Sale in Vegas. Beverly Hills meets Vegas… $12 Million Dollar New Mega Mansion. Every detail of construction, architecture, interior design and world-class amenities have been executed to exceed your expectations, resulting in an unparalleled luxury experience. Gated Estate, Porte Cochere, 6 Car, Ultra-Lounge, Game Room, Resort Pool, Gym, Day-Spa, Office, Movie Theater, Basketball-court, Poker Room