The Charleston Harbor Resort & Marina has always been a go-to spot for some much needed R & R. Here, guests and locals can sink their toes in the sand and let the stress of the outside world gently fade with every sip of a piña colada. Gleaming views of the Charleston Harbor serve as the backdrop to this beacon of relaxation. Recently, this iconic resort has been doing some significant revamping that goes way beyond adding those miniature cocktail umbrellas to a perfectly crafted beverage. Architects, construction crews and staff have all worked together toward the completion of The …