Rare vacant buildable lot opportunity in the gated community of Stirrup Key Subdivision in Marathon. This separate parcel is offered with a transferable building right and approved building plans already in place, creating a valuable head start for a buyer, builder, or investor looking to build in the Florida Keys. In a market where buildable land and development rights are limited, this property offers a strong opportunity to secure a scarce parcel with much of the early planning already completed. The included transferable building right and approved plans may help reduce the time, uncertainty, and upfront work often associated with vacant land development in the Keys. Ideal for a buyer looking to build a custom residence, a builder seeking a future project, or an investor evaluating long-term value in one of Marathon's established gated communities. Located in Stirrup Key, the property offers a private setting with convenient access to shopping, dining, boating, the airport, and daily necessities in Marathon. Centrally positioned in the Middle Keys, the location also provides convenient routes north toward Miami and south toward Key West. A rare opportunity to purchase a buildable Florida Keys lot with a transferable building right and approved plans already in place. Buyer and buyer's agent to verify all information, including building right, approved plans, permitting status, zoning, setbacks, development potential, utilities, and association requirements.