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Anchor Line Realty

Anchor Line Realty specializes in buyer brokerage, real estate sales listings, and long term property management in Key West & the Florida Keys.

Call: (305) 766-6835

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$3,301,000
1401 51st Street Gulf
Marathon, FL 33050
MLS# 613880
Status: Closed
3 beds  |  3 baths  |  2428 sqft

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Property Description
Private Waterfront Estate in the Florida Keys This gated, one-acre estate offers the ultimate blend of privacy, nature, and waterfront living in the heart of the Florida Keys. Nestled among lush, mature tropical landscaping, the property feels like a secluded island retreat. As you pass through the gates, you are welcomed by a beautifully manicured paradise with a coral-cut shoreline, a firepit at the water's edge, and panoramic sunset views over the open water. Just offshore, two small uninhabited islands provide a unique opportunity for exploration. The 3-bedroom, 3-bathroom home is designed for comfort and indoor-outdoor living, with an open concept living room, kitchen, and dining area that seamlessly flows into multiple outdoor living spaces. The upper level includes two spacious bedrooms and two bathrooms, while the conforming lower level offers an additional bedroom, bath, sitting area, and a separate entrance—perfect for guests or an in-law suite. A tool/storage room on the ground floor adds to the convenience of this beautiful estate. The wraparound balcony that surrounds the entire home includes several screened-in areas, enhancing the flow of indoor-outdoor living. Updated with a new metal roof in 2024, the home features stainless steel appliances and breathtaking water views. The property boasts approximately 520 feet of shoreline and a custom dock, including an 84-foot by 4-foot dock with a 21-foot by 8-foot extension and a double floating dock for two jet skis—perfect for boating enthusiasts. Covered parking for four cars is available under the elevated home, with additional parking along the entrance way leading to a circular driveway. Set on three originally platted lots (12, 13, and 14), the property offers the flexibility to separate, redevelop, or keep as a private compound. Located just a short walk from fine dining, shopping, and more, this rare waterfront offering combines serenity, convenience, and endless possibilities.

Details
Maps
Contract Information
Current Price: $3,301,000
Listing Date: 2025-02-25
Listing Board: Marathon/Lower Keys
Leased Price Monthly: $3,301,000
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Species List: No
Location, Tax & Legal
Street #: 1401
Street Name: 51st Street Gulf
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Woodburns Sub (49.5)
Area: 13 - 7 Mile Bridge to Sombrero Bch Rd E & W
General Property Description
Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 4
Pool: No
Year Built: 1974
Lot SqFt: 42425
Lot Sqft Source: Property Data Card
Acres: 1.05
Living Apx SqFt: 2428
SqFt Source: Property Data Card
Total Bedrooms: 3
Full Baths: 3
Total Baths: 3
Rentals Allowed: Yes
Min Rental Days: 7
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Dockage
Dock Length: 90
Dock: Wood
Building Style
Above Flood: Unknown
# Stories: 2 Stories
Vehicle Storage
Car(s): 4+
Financial Status
Auction: No
Bank Owned: No
Potential Short Sale: No
Standard Sale: Yes
Status Change Info
Under Contract Date: 2026-02-27
Leased Date: 2026-06-18
Leased Price Monthly: $3,301,000
Status: Closed
Property Features
Fee Includes: None
Tax Exemptions: Homestead
Waterfront: Bay Front; Gulf Front; Open Water
Waterview: Bay/Gulf View; Open Water View
Dockage: Other Dockage
Vehicle Storage: Carport; Off Street Parking
Furnished: Negotiable; Unfurnished
Cooling: Ceiling Fans(s); Central Air
Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter
Appliances: Dishwasher; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s)
Construction: CBS
Shutters: Accordion
Floor: Tile
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Airstrip; Beach; Bike Paths
Land Size: 1 Less Than 2 Acres

Listing Office: Coldwell Banker Schmitt Real Estate Co.

Last Updated: June - 18 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.


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David Austin, Owner/Broker
Anchor Line Realty, LLC
820 Ashe Street
Key West, FL 33040
www.anchorlinerealty.com
[email protected]
305.766.6835
Member, National Association of Realtors (NAR)
Member, Florida Association of Realtors (FAR)
Member, Key West Association of Realtors (KWAR)