57478 Overseas Hwy Marathon, FL $ 11,500,000
57478 Overseas Hwy
$ 11,500,000
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57478 Overseas Hwy

Marathon, FL, 33050
$ 11,500,000
Baths0.0

Monthly Estimate*

$ 70,807

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Studio

Lots and Land for sale in Marathon, FL

for $11,500,000. The lot size is 6.

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. A truly rare offering combining scale, location, and oceanfront presence—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.

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Lots and Land Active

Price

$ 11,500,000

Bedrooms

Studio

Property Type

Lots and Land

Taxes

$ 4,222

Style

Lot Size

6

Town/City

Marathon

County/Region

Monroe

MLS | Web ID

A11940104

Features
General
Sewer Other
Utilities None
Possession Close Of Escrow
Tax Year 2025
Waterfront Features Ocean Access Ocean Front
Additional Parcels Description 00374660-000000 00374670-000000
County Monroe
Property Type Land
Subdivision Name CRAINS SUBD
Status Active
City Marathon
Zoning Description SC
MLS Area 98 Florida Keys
Lot Size Units Square Feet
Lot Size Square Feet 103025
Listing Terms Cash Conventional
Tax Annual Amount 4222
MLS Area Minor Other Geographic Area (Out Of Area Only)
Virtual Tour https://youtu.be/Bfd6HrNHt_I
Standard Status Active
Tax Lot 103 025
Legal Description BK 58 LT 10 CRAINS SUBD PB1-51 OF GRASSY KEY OR135-95-96 OR140-29-30 OR407-765-768 OR474-436-438 OR683-887 OR685-713 OR908-1005 OR1572-584 O
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Interior
Total Baths 0
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Exterior
Water Source Public
Lot Size Area 103025
Lot Dimensions 360x465
Lot Size Acres 6
Waterfront Y/N true
Covered Spaces 0
Road Frontage Type Main Thoroughfare
Number of Lots 3
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* Excluded Features
List By
Compass Florida, Llc

Broker

iliana.abella@compass.com

Email

Affordability Calculator

$71,159
Per Month
100%
0%
0%
Monthly Principal & Interest
$70,807
Monthly Property Taxes
$352
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
1/12/2026$11,500,000 Listed Price

Map


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57478 Overseas Hwy, Marathon, FL, 33050 is a Lots and Land for sale at $11,500,000 with a lot size of 6. 57478 Overseas Hwy is a studio with 0.0 baths. The property's zip code is 33050 which is in Marathon, FL