A rare opportunity to own a 1.5+-acre Lake Ontario waterfront estate in prestigious Haldimand Shores - now featuring an expanded lot size from recently acquired additional land attached to original parcel with separate PIN. Enjoy 253 feet of pristine shoreline, a private beach and breathtaking, unobstructed water views. Just minutes from the charm and amenities of Cobourg, this custom-built brick bungalow on a mature, treed lot offers over 5,200 sq. ft. of refined living space. Overlooking the lake on the main floor, you will find a sun-filled living room with a gas fireplace, a luxurious primary suite with a spa-inspired ensuite, and a spacious eat-in kitchen. The main level is completed by a formal dining room, a private office and convenient main-floor laundry. Spectacular lake vistas persist throughout the bright, fully finished lower level. This space features a large family room with a gas fireplace, a kitchenette, a fitness area, a climate-controlled wine cellar and three large bedrooms. Impeccable, professionally landscaped grounds feature a large patio, gazebo, and a smokeless fire pit. An oversized 3-car garage (accessible from both levels), Geothermal heating/cooling, and a 2025 Kohler 26 kW home standby generator with 200A automatic transfer switch complete this remarkable offering.