This sophisticated and well-crafted Colonial at 37 Quail Run is set within the sought-after coastal community of Madison, CT, home to Hammonasset Beach and a quaint downtown, offering an expansive 3,409 sq ft floorplan on a private 1.3 acre, tree-lined lot. The main level features cohesive hardwood floors. The welcoming foyer which leads to a formal living room and dining area, and continuing into the open-concept, eat-in kitchen with a large granite island, stainless steel appliances, and a spacious pantry. The family room is highlighted by a wood-burning fireplace, crown molding, and custom chair rail, with French doors opening seamlessly to the freshly painted deck and gated heated inground pool area for effortless entertaining; this level also includes a guest 1/2 bath, laundry, and the attached 2-car garage. The oversized staircase leads to the second floor, which hosts four bedrooms, an office/flex space, a full guest bathroom, and the thoughtfully designed primary suite complete with a walk-in closet and ensuite bathroom. Completing this exceptional property, the lower level is partially finished, offering flexible space perfect for a home gym, rec room, or playroom, while the mechanical room provides valuable extra storage. New hvac compressor for added comfort. New inground pool heater to enjoy extended swim time. Recently updated irrigation system.