Depends on how you measure.
By square footage, it's:
Fashion Show Mall 1.9 million
Boulevard Mall 1.18 million
Galleria Mall 1.05 million
Meadows Mall 960,000
Grand Canal Shops 875,000
Forum Shops 675,000
Las Vegas Premium Outlets 539,000
Shops at Crystals 500,000
Las Vegas Outlet Center 477,000
Miracle Mile Mall 475,000
By number of stores, it's:
Forum Shops 270
Fashion Show 250
Miracle Mile 170
Las Vegas Premium Outlets 175
Grand Canal Shops 160
Boulevard Mall 140
Meadows Mall 140
Galleria Mall 133
Crystals 51
The Forum Shops is in the top five grossing malls in the U.S. as measured by sales per square foot: $1,616.
And the Grand Canal Shops is among the most visited malls in the U.S., with more than 20 million annual shoppers.