St. Petersburg’s Mercado West Credit: mercadoeats / FacebookOPENINGS/CLOSINGSPinellas County’s first Shake Shack location will open in SeminoleDespite having locations in Hillsborough and Pasco, Shake Shack has not yet expanded to Pinellas County. The New York City-born chain has plans to add a fourth Bay area location at the Seminole City Center strip mall, according to St. Pete Rising. – Ray RoaRed Mesa’s ‘Mercado West’ closes this month in St. Pete, after less than a year in businessLess than two months after Red Mesa Cantina abruptly and dramatically closed in downtown St. Petersburg, another Red Mesa concept is closing its doors. Red Mesa Group announced Wednesday that Mercado West, its Cali-Mex restaurant at 6001 Central Ave., will permanently close later this month, after less than a year in business. Red Mesa started the year with four St. Pete locations; just two remain as the summer comes to a close.