503 Thornehill Rarely does an opportunity arise to own such a premier piece of Round Lake real estate, situated on a highly desirable 1.23-acre waterfront lot. This expansive 3, 300+ sq. ft. colonial seamlessly blends sophisticated design with the serene beauty of lakeside living, anchored by a massive open kitchen area perfect for large-scale entertaining. The generous family room serves as a stunning focal point, featuring a grand river stone hearth and fireplace stack that adds a touch of rustic warmth to the home’s elegant proportions. Upstairs, the sprawling master suite is a true sanctuary, boasting a spacious full bath, a deep 11x6 walk-in closet, and exclusive access to a private rooftop balcony offering breathtaking, panoramic views of the water. Beyond the property’s impressive footprint, the location is unbeatable; you are within easy walking distance to Scripter Park as well as the neighborhood’s private beach, playground, and common areas. With immediate access to recreational courts and scenic walking trails, this home offers a lifestyle of both luxury and adventure in one of the area’s most sought-after communities.