Welcome to 335 Merrimac Downs! This 4 bed, 4 bath two-story sits on 1.05 acres at the end of a cul-de-sac and offers a fully fenced backyard oasis. Imagine space for a pickleball or basketball court, a pool, or even a soccer field—this yard can handle it all! The main level features new LVP flooring, fresh paint, updated lighting, a bright kitchen with island and eat-in area, formal dining room, and a large living room that opens to the patio. There's also a separate room perfect for an office or formal sitting room, and a main-floor laundry off the 3-car tandem garage. Upstairs, the spacious primary suite has a 5-piece bath and large walk-in closet. 3 additional bedrooms and a full bath complete the upper level. The finished basement includes a recreation room, flex space, kitchenette, full bath, and plenty of storage. Newer HVAC and hot water heater. Both refrigerators stay. Close to charming downtown Cottleville!