I first went to Harbour Island 14 years ago to write the story that was featured on the cover of the first issue of Town & Country Travel magazine. On my most recent trip last week, I was pleased to see that, though some of the island's beachfront hotels have since been polished, Harbour Island's distinct personality—a mix of laid-back Caribbean attitude and small town charm—has remained intact. A longtime favorite of travelers seeking a delightfully authentic island escape, the island is garner...