Welcome to 3877 Hylan Blvd, a rare opportunity to own a fully detached, two-family property in the highly convenient Great Kills location. Set on a massive 90' x 81' corner lot with an impressive 65 feet wide building, this property offers an exceptional combination of space, privacy, parking, outdoor living, and versatility. The property consists of a spacious two-story main house plus a separate single-story rental/mother-in-law unit with its own entrance, providing excellent flexibility for extended family, guests, or additional rental income. The main duplex features a generous and versatile layout designed for comfortable living and entertaining. The first floor offers a formal living room, formal dining room, a spacious family room, a full bath, and an expansive eat-in kitchen with an additional dining area. The second floor features 5 spacious bedrooms with 2 full baths. The second unit of the property is access through a separate side entrance a features an updated 4 room, 1 bedroom apartment that is perfect for a rental or mother in law unit. The second unit can also be combined with the duplex for for one continuous space. The property also has a expansive high ceiling basement that can be finished and used as additional living space! Situated in the sought-after Great Kills section of Staten Island, the home is conveniently located near an abundance of everyday amenities, including retail and food shopping, restaurants, local beaches, parks, and playgrounds. Commuters will appreciate the multiple express bus options to Manhattan along Hylan Blvd, making travel into the city convenient while still enjoying the space and lifestyle of Staten Island. With its fully detached configuration, two-family layout, oversized lot with substantial frontage, private parking, and highly convenient Great Kills location, 3877 Hylan Blvd is a rare opportunity offering exceptional space, flexibility, and income-producing potential.