SAG HARBOR (Prestigious North Haven). 11 acres with 850 feet of continuous waterfront on open harbor and Great Pond. 6800 SF house designed by Peter Cook has crisp take on traditional shingle style. House has phenomenal ever-changing views from every window. Whimsical kitchen herb garden, rose beds, countless hydrangeas and unusual perennial shrubs assure something blooming even into November. Historic trees abound -- 100-yr. old sugar maples, sycamores, dogwoods and a copper beech that's 20-ft. in diameter. Tranquil marshland provides refuge for multitude of birds -- swans, herons, egrets & ospreys -- while vast open bay offers continuous excitement from sailboat races to 4th of July fireworks. Though finished in 1997, residence has interior touches that add great character. 100-yr. old wide pine floorboards throughout, antique barn beams in living rm. & kitchen, old stripped pine doors in dining room. There are 4 ensuite bedrooms, library with fireplace, adjacent full bath & wet bar, dramatic 2-story octagonal entrance with limestone floors and formal dining room that mirrors it. Living room has oversize fireplace and soaring Palladian window overlooking expansive lawn down to the harbor. Kitchen features fireplace, casual seating area, & informal dining. Enormous screened porch provides added outdoor entertaining space in summer, with views on 3 sides. Spacious media room/office/exercise room over garage has full bath & glorious water views -- could function as 5th bedroom. Attached 3-bay garage & heated Gunite pool, with views of harbor. Four 2nd-story decks, 2 large stone patios accommodate large-scale entertaining. Room for tennis or golf green. 11 acres comprised of 2 single-and-separate waterfront lots -- house on 5.9 acres, vacant lot at 5.1 acres leaves room for pondfront house w/ garage & pool. This special one-of-a-kind property has a historic pedigree that goes back to the 1890's. It is a