Located in Mississauga's prestigious Rattray Park Estates, 539 Old Poplar Row is a bespoke residence offering 9,000+ sq ft of finished living space on a secluded half-acre lot just steps from Lake Ontario and the trails of Rattray Marsh. Behind solid oak doors, the home unfolds with quiet grandeur beginning with a dramatic foyer dressed in oversized porcelain slabs, hand-laid Versace inlays, and a soaring 20-ft ceiling framed in antique mirror panels and a sculptural chandelier. Thoughtfully curated design elements flow throughout, fluted wall paneling, underlit stone surfaces, and multiple fireplaces that warms the space. The living room stuns with a bookmatched porcelain feature wall, while the formal dining area and four-season sunroom set the tone for elevated, everyday living. The kitchen blends form and function with a glowing stone island, workstation sink, integrated knife block, and custom cabinetry with accent lighting, anchored by a sunlit breakfast room that opens to the backyard oasis. The main floor primary suite is a sanctuary unto itself with dual walk-in closets, and a spa-style five-piece semi-ensuite with direct access to the sunroom for morning coffee or midnight calm. Above, three bedrooms feature walk-in closets and ensuite or semi-ensuite baths, complemented by a private office and full elevator access across all levels. The lower level delivers on lifestyle: a full home gym, theatre, sauna, and showpiece wet bar wrapped in underlit gemstone with a floor-to-ceiling illuminated display. Outside, enjoy a heated saltwater pool, cabana bar with built-in grill, beverage centre, and media wall, framed by mature trees and a heated driveway for year-round ease. A home of this stature surpasses your expectations and redefines them. Enjoy being moments from top-rated schools, lakefront trails, and the vibrant offerings of Port Credit and Clarkson Village, this is where design, location, and lifestyle converge.