A masterpiece of countryside luxury, 206 Churchill Ave is an extraordinary luxury estate in the heart of prestigious Kettleby, where timeless craftsmanship meets resort-style living on nearly 5 acres of serene, wooded grounds with a tranquil stream, offering exceptional privacy just minutes to King City & Hwy 400 access. Step inside and be captivated by a dramatic soaring atrium, expansive windows, and elegant custom architectural detailing throughout. Designed for elevated living & entertaining, the home features a chef-inspired gourmet kitchen with granite countertops, coffered ceilings, oversized island, and professional built-in appliances, complemented by stunning 7" oak plank hardwood floors and multiple fireplaces. Featuring 5+1 generously sized bedrooms & 9 bathrooms, this home offers thoughtfully designed living spaces throughout. A private 2nd-floor suite includes a full kitchen & ensuite, providing an ideal retreat for extended family, guests, or an in-law/nanny arrangement. The fully finished walk-out lower level is an entertainer's dream & wellness escape, featuring a full theatre room with luxurious VIP seating, a gym, and both a wet & steam sauna, with expansive recreational space & direct access to the backyard oasis. Outside, experience true four-season resort living with an inground saltwater pool, domed hot tub, and lush natural surroundings that create a private sanctuary unlike anything else. An in-ground irrigation system supplied by well water keeps the grounds beautifully maintained, while a filtered water system by EcoWater Systems enhances everyday comfort & peace of mind. Modern efficiency meets luxury with geothermal forced-air heating, a geo septic system, and the underground propane tank that preserves the pristine landscape & elevate the estate's seamless curb appeal. Completing the offering is a spacious heated 4-car garage. A rare estate of this calibre, where elegance, lifestyle, and privacy come together in one remarkable property.