$7,000,000
57478 Overseas Hwy
Marathon, FL, 33050
“United States Bankruptcy Auction. The Listing Price is for MLS Purposes only. Actual Price will be determined at Auction. Now Accepting Pre-Auction Stalking Horse Bids. The Stalking Horse Bid Deadline is Monday, July 27, 2026, at 5:00 PM EDT”
https://www.dropbox.com/scl/fo/6zvlde9vkafsi4gyurrge/AFbZzVpEx4s1umkeSKne1Us?rlkey=9ejdq1stq5w01ifjwsdhdrzyh&st=nzppom5j&dl=0
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.
https://www.dropbox.com/scl/fo/6zvlde9vkafsi4gyurrge/AFbZzVpEx4s1umkeSKne1Us?rlkey=9ejdq1stq5w01ifjwsdhdrzyh&st=nzppom5j&dl=0
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 Details
Price:
$7,000,000
MLS #:
A11940104
Status:
Active
Beds:
0
Baths:
0
Type:
Single Family
Subdivision:
CRAINS SUBD
Neighborhood:
crainssubd
Listed Date:
Jan 12, 2026
Lot Size:
103,025 sqft / 6.00 acres (approx)
Schools
Interior
Exterior
Lot Features
Beach Area, 2.5-5 Acres
Waterfront Features
Ocean Access, Ocean Front
Financial
Tax Year
2025
Taxes
$4,222
Mortgage Calculator
Map
Current real estate data for Single Family in Marathon as of Jul 09, 2026
40
Single Family Listed
206
Avg DOM
892
Avg $ / SqFt
$2,987,870
Avg List Price
Community
- Address57478 Overseas Hwy Marathon FL
- SubdivisionCRAINS SUBD
- CityMarathon
- CountyMonroe County
- Zip Code33050
Subdivisions in Marathon
- 9999
- ANGLERS AT SOMBRERO
- BOAT HOUSE CONDOMINIUM,Boat House Marina
- BONEFISH TOWERS 74 UNITS
- BOUGANVILLEA VILLAS CONDO
- BUTTONWOODS ACRES
- CASA BLANCA
- COCO PLUM BEACH
- COCO PLUM BEACH REPLAT
- Cocoplum beach
- CONCH KEY
- Country Club Sombrero Blv
- CRAINS SUBD
- Duck Key
- FLAMINGO ISLAND EST AMD P
- GRASSY KEY,SeaGlass Cove
- GULFPOINTE I & II
- GULFSTREAM SHORES #2 AMD
- HARBOR CLUB SOUTH CONDOMI
- HARBOR ISLE
- HARBOR ISLE SEC A
- JG ESTATES
- KEY COLONY BEACH 1ST ADD
- KEYS RV/MOBILE HOME CONDO
- Knowlson Colony
- LATITUDE 24 REPLAT OF PO
- Lincoln Manor
- LITTLE VENICE
- LITTLE VENICE NO2
- Little Venice,Fed Economic Zone
- MARAMEADE AMD
- NORTH MARATHON SHORES PLA
- NORTH MARATHON SHORES PLA,Dodge Subdivision
- OCEAN ISLES FISHING VILLA
- PARRISH SUBD
- PIRATES COVE II, A CONDOM
- PUERTA DEL SOL
- Riggs Sub
- Riggs Sub 47.5
- RIGGS SUBD,Galway Bay
- SEAAIR ESTATES
- SEAVIEW
- SEAWATCH CONDOMINIUM
- Sunrise Isle,Sunrise Isles
- SUNSET BAY
- THE RESERVE AT SOMBRERO
- Tingler Island
- TRADE WINDS WEST
- Tranquility Bay 48.5
- Vaca Cut
- VENICE
- WALORISS SUBD
Similar Listings Nearby
Property Summary
- Located in the CRAINS SUBD subdivision, 57478 Overseas Hwy Marathon FL is a Single Family for sale in Marathon, FL, 33050. It is listed for $7,000,000 and features 0 beds, 0 baths, and has approximately 0 square feet of living space.The average price per square foot for Single Family listings in Marathon is $892. The average listing price for Single Family in Marathon is $2,987,870.

57478 Overseas Hwy
Marathon, FL


















































