Set on a premium pie-shaped lot backing onto mature treed Niagara Escarpment greenspace, this custom-built residence offers just about 6000 sq ft of finished living space in one of St. Catharines' most desirable neighbourhoods. Ideal for large or multigenerational families, the backyard is a private retreat featuring in-ground pool with new liner, pump (2023), solar heating, a custom post-and-beam covered terrace, and a chef's dream outdoor BBQ area. Inside, the spacious kitchen flows into the main living spaces and the spectacular sunroom spanning the rear of the home, filled with natural light and offering seamless access to the outdoor entertaining areas. An oak spiral staircase enhanced by a large skylight welcomes you inside, while timeless architectural details, custom millwork, and built-ins are showcased throughout. The main floor features a spacious living room, a large front room ideal as a formal dining room or potential additional bedroom, a private office with custom built-ins, and a warm family room with fireplace and custom bookcases. Four fireplaces throughout the home add warmth and character. A practical mudroom entrance from the backyard includes an additional shower, kitchenette/laundry area, and oversized cedar sauna. Upstairs offers three spacious bedrooms with walk-in closets, including a large primary retreat with fireplace, sun deck overlooking the backyard oasis, and a 5-piece ensuite with jetted tub and separate shower. The finished basement features a large rec room with fireplace, full 4-piece bathroom, cedar closet, cold cellar, and three oversized bonus rooms ideal for a home office, gym, hobby room, guest space, home business, or flexible family living. Additional highlights include a 2.5-car garage with 10' ceilings and an oversized driveway. Located close to excellent schools, parks, golf, Brock University, shopping and highway access, this exceptional property offers a rare combination of space, privacy, flexibility and lifestyle.