A superbly maintained country estate, the historic 1740 Asa Field House includes a spectacular 3 bedroom addition. 3,500 sf of living space - a perfect blend of modern amenities with the distinction of original elements. Nestled into 4 lush acres of magnificent landscaped grounds with ornamental gardens, stone walls, in-ground pool & pool house bordering the Hammonasset River & walking trails. The original portion of the house includes an eat-in chef's kitchen w/slate and hardwood floors, custom cabinetry, granite countertops, breakfast bar and open cooking hearth. Adjacent is a formal dining room including high ceilings for the period, gas fireplace & wide-plank floors and a formal living room with built-in bookcases, fireplace and wide plank floorboards. The 2nd floor offers the primary bdrm, full bath, additional bdrm & loft office space. The Great Room with cathedral beamed ceiling, fireplace, hardwood floors and wet bar provides an ideal central space for gathering & entertaining. French doors open to a large Azek deck with hot tub. The impeccable addition includes 3 bdrms, full double sink bath, large laundry room, lower level with French door walk-out rec room to the back yard and river below. A sitting room overlooks the deck through French doors. Expansion opportunities for a guest house or tennis court. Fly fishing, bathing, & hiking in the back yard. A beautiful blend of colonial charm with modern space and amenities. Impeccably maintained interior & exterior.