Enjoy waterfront luxury this summer. Move-in ready. A rare opportunity. Welcome to 31 Atlantic Ave in the highly desirable Groton Long Point waterfront community in Connecticut. This stunning waterfront home for sale in CT features a rare inverted-design layout and offers true luxury coastal living. The upper-level open-concept living space is designed to maximize panoramic water views, sunset views and showcases kitchen with high-end appliances, ideal for entertaining and everyday coastal living. This 3-bedroom waterfront property includes 2 full bathrooms and 2 half bathrooms, offering a spacious and functional layout. The main level features well-appointed bedrooms and spa-style bathrooms with modern finishes, creating a comfortable and elegant retreat. Extensive recent improvements make this a true turnkey waterfront home, including a new roof, new siding, new central A/C system, and condensers, along with major exterior and mechanical upgrades. Outdoor living is elevated with a brand-new L-shaped floating private dock and seawall, designed for boating enthusiasts because the deep-water dock, providing direct access to Long Island Sound boating, kayaking, and waterfront recreation. Perfect as a luxury vacation home, year-round residence, or second home, this home combines modern coastal design with premier waterfront amenities in one of Connecticut's most sought-after shoreline communities.