Welcome to 45 Champlain Avenue, a rare and versatile property in the heart of Staten Island 10306, offering space, flexibility, and incredible potential on an oversized 50x100 lot. This well-maintained 2-story home with a fully finished basement and entrance is perfect for extended families, investors, or buyers seeking additional space. The second floor features 3 generously sized bedrooms, a bright living room, a kitchen with dinette area, and a full bathroom—providing a comfortable and functional layout. The first floor offers a flexible configuration, currently set up as a spacious 2-bedroom (originally 3 bedrooms), along with a living room, eat-in kitchen, dinette area, and a full bathroom, making it ideal for multi-generational living or customization to suit your needs. The fully finished basement adds tremendous value, complete with an entrance, expansive recreation room, wet bar, and an additional bathroom—perfect for entertaining, guest space, or potential income-producing use. Situated on a large lot, the property boasts a wide private driveway with ample parking, a beautifully maintained backyard, and a charming gazebo—creating the perfect outdoor setting for relaxation and gatherings. A generator is also included, offering added convenience and peace of mind. Located in one of Staten Island's most convenient neighborhoods, this home is just minutes from shopping, restaurants, parks, and schools. Enjoy easy access to transportation options, including local and express buses, as well as nearby major roadways, making commuting to Brooklyn and Manhattan seamless. Whether you're looking for a spacious primary residence or a property with income and expansion potential, 45 Champlain Avenue delivers on space, location, and opportunity.