Walmart floor plan for black friday. Your guide to walmarts layaway services. During the holidays take more time to pay with layaway from walmart. Midtown walmart is a controversial proposal by walmart to build a 203000 square foot 18900 m 2 supercenter location on a 46 acre 19 hectare site in the planned sub district of midtown miami in the city of miami florida us. The proposal never met local regulations because walmart never owned all of the land upon which it planned to build yet they fought for five years to build on.