Mackellar is a suburb located in the Northern Beaches region of Sydney, Australia. It is known for its residential areas, parks, and proximity to beautiful beaches. The suburb offers a mix of family homes and apartments, making it a popular choice for both families and young professionals. The area is well-served by local amenities, including schools, shops, and recreational facilities. Mackellar is also close to natural attractions, such as the Ku-ring-gai Chase National Park, providing opportunities for outdoor activities like hiking and picnicking. Its community-oriented atmosphere contributes to its appeal as a desirable place to live.