This unique mixed-use opportunity in Marathon, Florida features a ±4,560 SF two-story building situated on two parcels totaling approximately 0.35 acres with direct frontage and access along Overseas Highway. The ground floor consists of two units historically utilized as medical office space, which can remain separate or be combined into one larger suite. The second floor features two apartments, one currently leased at approximately $2,000 per month. The offering also includes a rear parcel with direct canal access, providing additional flexibility and long-term value. With prominent Overseas Highway frontage, strong daily traffic exposure, residential income, and flexible medical/commercial space, the property presents a compelling investment or owner-user opportunity in the heart of Marathon. The bottom floor consists of approximately 2,400 square feet in total, with roughly 1,200 square feet on each side. The space offers a flexible layout and can either be utilized as one large, contiguous unit or divided into two separate ±1,200-square-foot units, depending on the needs of the occupants.