In Sea Pines’ Beach Lagoon neighborhood, the waters bordering the multimillion-dollar homes make up a community of their own.
Egrets glide just above the lagoon’s surface. Box turtles sunbathe on the shoreline. Walkers or bicyclists might spot an alligator slinking slowly through the brown water.
But twice in three years — both in the black of night — cars have slipped into the neighborhood’s mostly unfenced waters, claiming the lives of three people…