Welcome to 138 Main Avenue in the desirable Village of Lake Grove! Nestled on a beautifully landscaped .48-acre lot, this meticulously maintained 2,409 sq. ft. Colonial offers exceptional craftsmanship, modern updates, and resort-style outdoor living. Step inside to an inviting entry foyer that welcomes you into the formal living room and elegant formal dining room perfect for entertaining. The newly renovated custom eat-in kitchen is truly the heart of the home, featuring custom cabinetry, Quartz countertops, a five-burner induction cooktop with pot filler, double wall ovens, stainless steel appliances, and a dedicated filtered water faucet with both cold and instant hot water. Just off the kitchen, the expansive family room is warm and inviting, showcasing a beautiful brick fireplace with a pellet stove insert, a skylight that fills the room with natural light, and Pella wood sliding doors leading to your spectacular backyard retreat. The first floor also offers a beautifully updated half bath, a convenient mudroom with pantry closet, and direct access to the spacious two-car garage. Upstairs, the primary ensuite serves as a private retreat, complete with two walk-in closets, a dressing area, and a full bathroom. Three additional generously sized bedrooms and a second full bath complete the upper level. The partially finished basement provides even more versatile space featuring a laundry room, utility room featuring a seven-year-young Beckett burner, bonus room and abundant storage. Quality finishes can be found throughout the home, including granite tile, natural oak hardwood flooring, waterproof Pergo flooring, wood-look porcelain tile, and plush carpeting. Step outside and discover your own private backyard oasis. Designed for both relaxation and entertaining, the oversized Nicolock paver patio features two pergolas that create separate outdoor dining and living spaces. The heated in-ground saltwater pool boasts a four-year-young liner, LED lighting system, and newer pump. Surrounded by mature landscaping and lush gardens, the backyard is further enhanced by a tranquil koi pond, creating a peaceful setting unlike any other. Additional improvements completed within the past seven years include Nicolock paver stone surrounding the pool, a custom paver fire pit, Sonos surround sound throughout the interior and exterior, smart lighting, smart ductless cooling unit, smart 20-zone in-ground sprinkler system, security cameras accessible from your phone, one-year-young leased solar panels, and two 200-amp electrical panels. This extraordinary home seamlessly blends timeless elegance with today's modern conveniences in one of Lake Grove's most desirable locations. Don't miss the opportunity to make this exceptional property your next home—it won't last!