Fabulous opportunity along the 5 Mile River!!!! Spacious River-fronting, 4500+SF Custom Contemporary on the border of Darien and New Canaan. Situated on a highly desirable cul-de-sac, with a pillared drive, on 2+ private acres, overlooking the 5 Mile River. Offering unique architectural details and modern flexibility with over 3100+/- SF of 1st floor living and an additional 1300+/- SF on the 2nd floor. Currently configured as a 3 bdrm, 3 bath home that can easily, transform into a 4/5 bdrm, 5 bath home within the existing footprint. Highlights include: Dramatic Cathedral Ceilings, floor to ceiling field stone fireplaces, large 1st floor primary suite (that can function as private in-law quarters), multi-use loft spaces, walls of glass, abundant water and nature views, 5 fireplaces (4 fieldstone and 1 brick), an attached, oversized 2 car garage with loft and bonus outdoor carport, remarkable privacy and a central location with quick easy access to I-95, Merritt Pkwy and the NYC train. A true hidden gem. Being sold As-is with inspections for informational purposes only. Property disclosure, 2012 Survey, magnetic tank test document indicating NO underground oil tank, 2026 negative radon test result are available. A wonderful, one of a kind, must see property!