Welcome to 7651 Milburough Line, an exceptional private estate set on 42 acres of picturesque countryside in Milton, complete with a spring-fed pond and 30 acres of mature sugar maple forest. A long, tree-lined private drive leads to this remarkable custom-built residence offering approximately 19,470 sq ft of total living space (15,696 sq ft finished). Designed for grand living and entertaining, the home features 11 bedrooms and 11 bathrooms, ideal for multi-generational families or luxury retreats. Inside, timeless elegance is expressed through soaring 22-ft vaulted ceilings, coffered details, handcrafted plaster mouldings, and rich solid wood finishes throughout. Two gourmet kitchens, outfitted with professional-grade appliances, provide exceptional versatility for hosting on any scale. The main floor primary suite is a true sanctuary, highlighted by a spa-inspired ensuite with chromatherapy tub, heated backrests, warming drawer, and heated towel rack. Multiple principal rooms are anchored by five gas fireplaces and a striking wood-burning fireplace, offering warmth and sophistication. Resort-style amenities elevate the experience, including a stunning indoor heated pool with hot tub and children's wading area, along with a dedicated wellness wing featuring a home gym and spa with dual saunas. The finished lower level with walkouts adds flexible space for recreation or extended family living.Outdoors, enjoy multiple patios, screened porches, and a Muskoka-style room with a double-sided fireplace, all surrounded by serene natural beauty. Built with exceptional quality, the home includes geothermal heating, in-floor radiant systems, 400-amp service, metal roofing, and advanced water purification. Renovated in 2015, this rare offering blends luxury, privacy, and convenience just minutes from major routes.