Port Royal has long been one of Florida’s grand estate settings. A case in point is a captivating poolside haven that evokes the spirit of a Southern plantation on one and a half lots overlooking Lantern Lake. A brick walk through lush gardens sets the mood, leading to a cypress wraparound porch. Inside, formal settings adorned with cherry floors are complemented by a gourmet kitchen, den, and five bedrooms. A guesthouse welcomes friends.