Rare oceanfront development opportunity in the heart of the

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Lot For Sale

57478 Overseas Highway LOT 0

Marathon, Florida 33050

Monroe County

Beachfront: Yes

Ocean View: Yes

Community: Crains Sub (58)

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$11,500,000 0.000 acres

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 Keysa''such as Islamoradaa''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.A truly rare offering combining scale, location, and oceanfront presencea''an exceptional opportunity to develop a legacy project in one of Florida's most coveted coastal destinations.Please read the broker's remarks for detailed information on this offering.

  • Lot Size: 0.000 acre
  • Lot Dimensions: 
  • Beachfront: Yes
  • View Types: Ocean, Water
  • Property Taxes: $6,342
  • MLS #: 618926
  • Unit Number: LOT 0
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Contact Information:
Beach Lot For Sale in Marathon, Florida
Listing Agent: Iliana Abella, Compass, 305-505-0488, 305-697-2904 Listing Site, Listing Status: Active
Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 7355574
Viewed 15 times.
Updated: Mar 04, 2026

This property is a Lot located at 57478 Overseas Highway LOT 0, Marathon, Florida 33050, and is currently For Sale at $11,500,000.