Midway Market Square is a shopping destination located in Elyria, OH. As a Power Center, it occupies a prime spot at NWC W. River Rd. & I-80/Ohio Trnpk.. Midway Market Square first opened in 2001. Shoppers can explore 486,966 sqft. of retail floor space featuring approximately 12 stores. Guests will find 2,412 parking spaces at the venue.