46 Castle Harbour Lane, Markham, ON L3T 3A2

Rare Opportunity in Highly Sought-After Bayview Fairways! Welcome to 46 Castle Harbour Lane, situated on an impressive premium 56 x 150. 29 ft lot on a quiet, established street in one of Thornhill's most desirable family neighbourhoods. This spacious 3+1 bedroom home offers a great layout, renovated kitchen and bathrooms, exceptional parking and tremendous flexibility for families and extended families. The main level features a large L-shaped living/dining room combination, perfect for entertaining, along with a renovated eat-in kitchen offering plenty of space for everyday family living. Generously sized rooms and an abundance of natural light create a warm and inviting atmosphere throughout. The professionally finished basement is an entertainer's delight, complete with custom bar, fireplace, spacious recreation room and additional bedroom. A unique front foyer configuration offers the potential to be divided to create separate entrances for the main floor and basement, providing exciting possibilities for extended family, in-law accommodations or a potential separate suite. Enjoy the exceptional depth and privacy of the huge 150-ft-deep lot with plenty of room for outdoor entertaining and family enjoyment. Double-car garage plus oversized driveway provides parking for up to 8 vehicles-6 on the driveway and 2 in the garage. Outstanding family location just a short walk to Highly Ranked Bayview Fairways Public School and close to highly regarded St. Robert Catholic High School, offering the prestigious International Baccalaureate (IB) Program. Steps to parks and trails and minutes to Bayview Golf & Country Club, shopping, restaurants, transit and Hwys 404 & 407. A rare combination of premium lot, renovated living space, incredible parking and future potential! OPEN HOUSE SUNDAY 1-3 PM

• 81 m from a rail corridor

  Visit at train times to judge noise and vibration for yourself.

  Source: Ontario Railway Network (ORWN) · as of Sep 2026

Also checked, nothing flagged at this location: flood hazard mapping, conservation-regulated areas, provincially significant wetlands, the Greenbelt, the Oak Ridges Moraine, the Niagara Escarpment plan, areas of natural and scientific interest, hydro transmission corridors.

Screened against public government mapping at this home’s location — simplified boundaries, not a survey, an appraisal or a legal determination. Confirm anything that matters with the authority named.