320 E Main Street offers a unique investment or owner-user opportunity in the heart of Downtown Barrington. This beautifully renovated mixed-use property combines modern functionality with historic charm, featuring approximately 2,000 square feet of updated commercial space on the main floor, previously utilized as a Medi-spa. The commercial area includes a welcoming reception, six private offices, two restrooms, a kitchenette, and access to a rear porch, making it ideal for professional or wellness services. The second floor includes two residential units: a spacious two-bedroom, one-bathroom apartment with an eat-in kitchen and private porch, and a one-bedroom, one-bathroom apartment currently leased to a long-term tenant, providing immediate rental income. A finished basement adds versatility with additional office space, multiple storage rooms, and a dedicated laundry area. The property is zoned B-2, allowing for a wide range of commercial uses, and includes eight on-site parking spaces. Located on Main Street (Lake Cook Road), the site benefits from excellent visibility, strong traffic counts, and proximity to the Metra train station, making it a highly desirable location for both business and residential tenants.