Perched along the shoreline of Grand Lake St. Marys, 3 Koehn Road is a 3,516 sq ft lakefront residence combining timeless craftsmanship with modern comfort. Built in 2009 and exceptionally maintained, this 0.65-acre property offers sweeping water views from every room and quality finishes throughout. The main level features custom hardwood floors, quarter-sawn oak trim, solid wood doors, and an extra-wide crafted staircase. The great room centers around a copper-surrounded, thermostat-controlled fireplace and opens to a newly enclosed Florida room with floor-to-ceiling windows and stone-accent flooring for year-round enjoyment. The kitchen includes granite countertops, quarter-sawn oak cabinetry, a six-burner built-in cooktop, hidden stainless vent hood, new refrigerator, and new dishwasher. A formal dining room, office nook, and well-designed laundry room complete the main level. The primary suite offers expansive walk-in closets, dual vanities, a soaking tub, and a spa-style walk-in shower. A second primary suite upstairs includes its own large walk-in closet and adjecent bath. All five bedrooms feature walk-in closets and ceiling fans. The 3+ car garage is extra deep, spotless, and thoughtfully organized, with direct access to both the home and attic. Outdoor features include a built-in barbecue area, entertainment space, boathouse, and lake-fed irrigation system. Mechanical highlights include dual HVAC systems with heat pump and gas backup, a new hot water heater, central vacuum, whole-home generator, 130 GPM well with softener, full foam insulation, and an insulated crawl space with concrete floor and two sump pumps. Every detail reflects quality materials and intentional design. 3 Koehn Road offers a rare lakeside living experience on Grand Lake St. Marys.