Castle By The Sea! This luxurious estate on Hilton Head Island combines cutting-edge design with impeccable attention to detail. Built with 8-inch reinforced concrete walls and equipped with an advanced geothermal system for energy-efficient heating and cooling, this property offers long-term comfort. The slate roof, known for its durability, promises over 100 years of elegance. The ground floor features 4 garages that will accommodate 8+ cars and large rec room. The property offers a total of 8,880 square feet, including 2,500 square feet of non-permitted, non-certified space on the ground floor, with AC. Just a 10-minute walk to the beach.