The global sports entertainment company is under construction on its first South Carolina venue, anticipating 300,000 visits annually MYRTLE BEACH, S.C., April 2, 2018 /PRNewswire/ -- Global sports entertainment leader Topgolf ® has officially broken ground in Myrtle Beach. The 55,000-square-foot venue is expected to open to the public in early 2019. "We're honored that Topgolf has selected Myrtle Beach for another South Carolina location," said Myrtle Beach Mayor Brenda Bethune. "As an outstanding global company specializing in providing…