LUXURY PROPERTY AUCTION: BID 16–24 JANUARY. Listed for $4.5M. Starting Bids Expected Up To $3M. Located in Palmetto Dunes on Hilton Head Island, Castle By The Sea is a testament to modern luxury and resilient design. With eight-inch reinforced concrete walls and a state-of-the-art geothermal system for energy efficiency, this estate marries innovation with elegance. The nearly 9,000-square-foot property is crowned by a slate roof and features six bedrooms and seven bathrooms. Four garages. Just a short walk to pristine Atlantic beaches. Combining world-class recreation, lush landscapes, and unmatched craftsmanship in one stunning property.