Caroline Kennedy Selling 93 Acres on Martha's Vineyard Caroline Kennedy, the only surviving child of the late President John F. Kennedy, listed for sale about 90 acres of land in Martha's Vineyard, a resort island off the Massachusetts coast. Two waterfront parcels in the town of Aquinnah are on the market -- a 39.5-acre (16-hectare) property available for $20 million, and a 53.5-acre piece for $25 million, according to the listings for 6 Red Gate Farm and 8 Red Gate Farm. "An exclusive waterfront property with incredible views of Squibnocket Pond, with further views over towering sand dunes to the Atlantic Ocean," the listing for 6 Red Gate Farm reads. "Plenty of privacy with varied