Seaview Terrace, also known as the Carey Mansion, is a sprawling mansion located in Newport, Rhode Island. It was designed in the French Renaissance Revival Châteauesque style, and completed in 1925.It was the last of the great "Summer Cottages" constructed, and is the fifth-largest of Newport's mansions — after The Breakers, Ochre Court, Belcourt Castle, and Rough Point.The television show Dark Shadows used its exterior as the fictional Collinwood Mansion.