57478 Overseas Hwy, Marathon, FL
Listing courtesy of Compass Florida, LLC (Iliana Abella). Contact: [email protected].
About this property
Rare oceanfront development opportunity in the heart of the Florida Keys. Encompassing nearly 6 acres of pristine oceanfront land in Grassy Key, this exceptional parcel presents an ideal canvas for developers seeking to create luxury residential units with direct oceanfront and beach access. Surrounded by unspoiled natural beauty and tranquil beaches, the property offers immediate proximity to shopping, fine dining, spas, marinas, and world-class boating. Residents will enjoy unparalleled access to deep-sea fishing, scuba diving, snorkeling, and vibrant coral reefs, all set against the backdrop of the Keys’ iconic turquoise waters. Located in Marathon, often referred to as the Heart of the Florida Keys, the site benefits from a highly desirable central Keys location, conveniently positioned between the Upper Keys—such as Islamorada—and the Lower Keys, including Key West. Marathon is known for its rich maritime history, local airport, and accessibility, serving as a central hub comprising islands such as Vaca Key, Duck Key, and Grassy Key.
Property facts
- Location
- Marathon, FL 33050
- County
- Monroe County
- Hurricane evacuation zone
- Not in a designated evacuation zone
Sources: Florida Division of Emergency Management. Checked 2026-10-18. Public map data looked up at this location, not a survey or an insurance quote. Confirm with an elevation certificate, the county and your insurer.
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Interested in this property?
Contact Anthony Conners at Atlantic Commercial Advisors to schedule a showing or learn more.
Listing data courtesy of Miami REALTORS® / Southeast Florida MLS. This site is operated by Anthony Conners, Atlantic Commercial Advisors, KW Commercial. Atlantic Commercial Advisors is not the listing broker unless stated.
Listing data last updated Aug 26, 2026, 6:42 PM ET.
Listing data provided by the Southeast Florida Multiple Listing Service (MIAMI REALTORS®). The data is deemed reliable but is not guaranteed accurate by the MLS.
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