Webofficials have unveiled plans for a massive $90 million terminal expansion that will truly transform the travel experience. Imagine an additional 50,000 square feet. Webmyrtle beach — after five years of planning and delays, myrtle beach international has officially broken ground on a terminal expansion. Webmyrtle beach international airport continues to expand to keep up with the travel growth. #myrtlebeach #myrtlebeachsc #travel #airport #myr #southcarolina #f. Weblocal leaders held a groundbreaking for that $90 million expansion wednesday morning. Crews will now work to add six new terminals, with the goal of. 8—myrtle beach, s. c. — myrtle beach international airport is planning to undergo a major expansion, including adding a new security checkpoint, new.