Set along the shores of Lake Michigan in the Grand Beach community, Sun Valley Falls is a privately held lakefront estate comprised of a custom-built main residence and a fully appointed guest house, offering more than 10,000 square feet of refined living designed for both everyday comfort and large-scale entertaining. The main residence features four generous bedroom suites, a lakeside office, private fitness room, and two thoughtfully designed laundry rooms. High ceilings, custom millwork, and carefully selected finishes define the interiors, while expansive windows frame dramatic Lake Michigan views and evening sunsets throughout the home. The primary suite is positioned as a private retreat, complete with a spa-like bath and walk-in closet. At the heart of the home, the chef's kitchen is equipped with premium appliances, ample storage, and a large center island, seamlessly connecting to dining and living spaces designed to accommodate intimate gatherings or larger events. The living room is anchored by a fireplace and opens to lake-facing views that create a natural flow between indoor and outdoor living. The grounds are meticulously landscaped and centered around a custom Boilini pool, offering a private setting for relaxation and entertaining with the lake as a constant backdrop. Multiple outdoor areas invite both quiet moments and memorable gatherings overlooking the water. The separate guest house enhances the estate's versatility, offering three additional bedrooms, two full baths, two wet bars, a game area, and private laundry facilitiesproviding comfort and independence for extended stays. Located just over an hour from Chicago, Sun Valley Falls offers a rare opportunity to own a substantial Lake Michigan estate in one of the area's most established communities. This property delivers scale, privacy, and design integrity in a setting defined by water, light, and landscape.