Listed by Keller Williams Edge Realty.

13311 Sixth Line is a Detached, 2-Storey and is currently for Sale @ $6,480,000. Taxes in 2025 were $13,715.00.

More homes for sale under 6.5M in Milton

A truly rare offering. The 2-Storey on 13311 Sixth Line has 8 bedrooms, 10 bathrooms, and is located on a 545.32 x 479.49 ft loton 5-9.99 acres in the community of Rural Nassagaweya . Set on 5.76 acres of private, tree-lined grounds, this custom-built estate presents an exceptional opportunity to own a secluded executive retreat minutes from the GTA. Thoughtfully designed and meticulously crafted by its original owners, the residence balances architectural presence with everyday livability, offering space, privacy, & quality that is difficult to replicate. A dramatic 22-foot foyer with a striking floating staircase creates a commanding first impression, while expansive floor-to-ceiling windows frame serene natural views & flood the home with sunshine. The layout is intentionally designed for both grand-scale entertaining and comfortable family living. At the centre of the home is a remarkable chef's kitchen featuring dual oversized islands with seating for up to fourteen, premium appliances, & seamless flow to the sunroom & outdoor kitchen, ideal for hosting, gatherings, & year-round entertaining. This estate offers an extensive collection of resort-style amenities, including a private spa with a 10-person jacuzzi, steam room, & sauna, plus a fully equipped home theatre, gym, games area, & full bar. A private elevator enhances convenience across all levels. Above the garage, a three-bed guest suite provides flexibility for extended family, guests, or live-in support. The outdoor experience is equally impressive: heated saltwater pool, two fire pit areas, tennis & basketball courts, walking trails surrounding a tranquil private pond, & multiple outdoor spaces designed for relaxation and entertaining, all within complete privacy. The property is equipped with solar & geothermal systems, full smart-home integration, & dual septic systems, reflecting a commitment to sustainability, efficiency, & long-term ownership. A rare legacy estate offering privacy, land, & lifestyle without sacrificing proximity to major urban centres. An exceptional opportunity for the discerning buyer seeking space, discretion, & enduring value.

Built-in Microwave, Dishwasher, Hot Tub, Hot Tub Equipment, Pool Equipment, Refrigerator, Stove, Washer, Window Coverings, Negotiable, All Smart systems (mirrors, lighting, blinds, HVAC, alarm), TVs & built-in audio systems, Built-in kitchen appliances, Custom millwork, chandeliers, & built-ins, Furniture is negotiable - some staging items excluded. Please connect with listing agent. Smart-home integrated, energy-efficient (solar + geothermal), and serviced by two septic systems for convenience and capacity.

The address 13311 Sixth Line was listed for sale (MLS# W12750066) on Monday, February 02, 2026.