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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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$3,795,000
813 39Th St Gulf Street
Marathon, FL 33050
MLS# 620953
5 beds  |  4 baths  |  2628 sqft


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Property Description
NEW CONSTRUCTION | FULLY FURNISHED | 45' BOAT SLIP | OPEN GULF VIEWS Experience elevated Florida Keys living in this newly constructed, fully furnished 5-bedroom, 4-bath waterfront residence in the exclusive gated community of Emerald Flats. Perfectly positioned with unobstructed open Gulf views and no rear neighbors, this exceptional home combines privacy, luxury, and outstanding boating access. Designed to maximize its spectacular waterfront setting, the home features two primary suites, each opening to a full-length deck with breathtaking sunrise and open-water views. Enjoy seamless indoor-outdoor living with a private pool, sandy beach area, and deeded 45' boat slip offering protected deep-water dockage just steps from your door. Home is prepped with an elevator shaft which currenly offers locking owners/ additional storage. Beautifully appointed and offered completely turnkey, the residence is currently operating as a successful vacation rental with an established rental history, providing the opportunity for immediate income while still serving as an exceptional personal retreat. Ideally located in the heart of Marathon, just minutes from world-class fishing, seconds from 7 mile bridge, boating, waterfront dining, beaches, and everything the Florida Keys lifestyle has to offer. A rare opportunity to own a new-construction, turnkey Gulf-front home with spectacular open-water views, dual primary suites, exceptional boating access, and income potential.

Details
Maps
Contract Information
Current Price: $3,795,000
Listing Date: 2026-08-12
Listing Board: Marathon/Lower Keys
Monthly Rent: $3,795,000
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Location, Tax & Legal
Street #: 813
Street Name: 39Th St Gulf
Street Suffix: Street
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Marathon Beach (49.0)
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
Pool: Yes
Year Built: 2025
Lot Size: X
Lot SqFt: 5332
Acres: 0.12
Living Apx SqFt: 2628
SqFt Source: Tax Records
Total Bedrooms: 5
Full Baths: 4
Total Baths: 4
Rentals Allowed: Yes
Min Rental Days: 7
Association Info
Mandatory Home Owners Asc: Yes
1st Right of Refusal: No
Association Fee $: 390
Dockage
Dock Length: 45
Dock: Wood
Seawall: Concrete
Pets
Pets w/Restrictions: CITY & 3 DOGS
Building Style
Above Flood: Yes
# Stories: 3 Stories
Vehicle Storage
Car(s): 2
Pool Info
Heated: Yes
Financial Status
Auction: No
Bank Owned: No
Potential Short Sale: No
Standard Sale: Yes
Status Change Info
Status: Active
Property Features
Fee Includes: Common Area Mnt; Security
Tax Exemptions: None
Waterfront: Gulf Front
Waterview: Bay/Gulf View; Open Water View
Dockage: Boat Slip
Property Condition: New Construction
Vehicle Storage: Garage; Attached; Auto Door Opener; Covered Parking; Open Parking
Furnished: Furnished
Cooling: Ceiling Fans(s); Central Air
Heating: Central; Exhaust Fan; Zoned
Utilities: Cable Available; Municipal Sewer
Interior Features: Drapes/Blinds Incl; Quartz Countertops; Smoke Alarms; Split Bedroom; Storage; Walk-in Closet(s); Wet Bar; Window Treatments
Pre-Wired: Cable; Optical; Surround Sound
Specialty Rooms: Laundry Room
Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler
Exterior Features: Fencing; Lanai; Lighting; Outdoor Shower; Privacy Wall/Fence
Accessibility Feat: Accessible Doors
Pool Info: In Ground; Salt Water; Concrete
Construction: CBS; Concrete; Stucco
Floor: Tile; Vinyl
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Beach; Fire Hydrant; Other Area Features
Security: Electric Gate
Land Size: Less Than 1/4 Acre
Terms: Assumable; Assumable; Cash; Conventional
Title: Title Ins - Buyer
Room Information
Room NameLevel
Living RoomSecond
KitchenSecond
Bedroom 1Second
Bedroom 2Third
Bedroom 3Third
Bedroom 4Third

Listing Office: Re/Max Alliance Group

Last Updated: October - 08 - 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)