Sale price: $17,100,000
Original asking price: $21,000,000
Days on the market: 295
Built in 1915, this waterfront estate sits on almost 4 acres of land and features panoramic views of Long Island Sound, over 8,600 square feet of living space, 19 rooms, 9 bedrooms, 8 full baths, 2 partial baths and 3 fireplaces. Listed by Halstead, sold by Coldwell Banker.