Welcome to this exceptional multi-generational property in the heart of Merrick, offering luxury, flexibility, and modern living on a beautifully landscaped 100' x 100' corner lot. This unique property features a fully renovated main residence and a separate legal detached second dwelling, ideal for extended family, guests, a home office, or additional living space. The main home offers approximately 2,500 sq. ft. of living space with 3 bedrooms, 2.5 bathrooms, soaring cathedral ceilings, a wood-burning fireplace, family room, and an open-concept dining area leading to a stunning chef's kitchen. Highlights include Thermador appliances, custom inset maple cabinetry, quartzite countertops and backsplash, an oversized waterfall island, ¾-inch white oak flooring, Andersen windows, dual-zone central air, natural gas heat, whole-house water filtration, and a finished basement with a recreation room, half bath, laundry, and storage. The detached legal one-story dwelling offers approximately 1,000 sq. ft., 2 bedrooms, 1 full bath with washer/dryer hookup, a full kitchen, a private entrance, a separate yard, parking, new central air and heating, and updated flooring. The resort-style backyard features a 32' x 16' saltwater in-ground pool with a new liner, filtration system, and a brand-new MEYCO safety cover that locks into perimeter anchors. Additional exterior features include paver patios, stone steps, an in-ground sprinkler system supplied by well water, an oversized paver driveway, new front porch and walkway, and a black iron driveway gate. Conveniently located near top-rated schools, parks, shopping, dining, and the Merrick LIRR station for an easy commute to Manhattan.