HarbourSide III's mid-island location in Shelter Cove Harbour is within the most beautiful resort on Hilton Head Island. Palmetto Dunes Resort features 3 miles of white, sandy beach, 3 award-winning golf courses, 25 tennis courts, the Island's deepest yacht basin and marina, a 10 mile lagoon system, 6 miles of bike paths, a cultural arts center, 21 restaurants, an enclosed shopping mall and more.