Myrtle Beach, SC - On Saturday, October 26, Visit Myrtle Beach, in partnership with Tin Roof Myrtle Beach and Cocktail Artist®, a line of premium mixes and bar ingredients, will host an exciting night of bartending challenges. Myrtle Beach bartenders will compete in a bartending challenge where each contestant will be paired up with one of Cocktail Artists’ award-winning mixologists as they compete for a grand prize. Also, that night, Cocktail Artist will crown their National Champion in the brand’s 1st Annual Mix Off Competition. Finalists for…