RARE opportunity to enjoy lakeside living with the serenity of a rural setting and the convenience of suburban amenities. Welcome to 55 Ontoro Blvd, a custom-built, nearly 4,000 sq. ft. home situated on a private dead-end street along the shores of Lake Ontario. Nestled among just 25 custom homes, this exceptional property offers breathtaking lake views, outstanding privacy. Enjoy panoramic views from every level of the home, including the spectacular 800 sq. ft. rooftop terrace-an incredible outdoor retreat perfect for entertaining, relaxing, and taking in stunning sunrises, sunsets, and the surrounding natural beauty. This unique three-storey residence, built entirely above grade, features 5 bedrooms, 4 bathrooms, and 2 kitchens, offering exceptional flexibility for large or multi-generational families. The ground level has been beautifully renovated and offers a bright, self-contained living space with two separate walkouts to the backyard, surrounded by mature trees and lush landscaping. Ideal for in-laws, extended family, potential rental income, or additional entertainment space. The second and third floors are filled with natural light and designed for comfortable family living. The main level boasts an open-concept layout featuring a spacious kitchen with breakfast bar, generous living and dining areas, and seamless access to a large deck overlooking the lake. Enjoy morning coffee or evening gatherings while taking in the cool lake breeze and spectacular views. The upper level features a spacious family room bathed in natural light, two additional bedrooms, and a private primary retreat complete with a luxurious 5-piece ensuite and a south-facing balcony-the perfect place to unwind and enjoy peaceful evenings overlooking the water. Located on a quiet, tranquil street just steps from nature, bike trails, and a bird sanctuary, this is a rare opportunity to experience waterfront-inspired living in one of the area's most unique and private communities.