Back to Search
1 / 25
25 photos
+20
813 39Th St Gulf Street
Marathon, FL, 33050
Active$3,795,000
813 39Th St Gulf Street
Marathon, FL, 33050
Active$3,795,000
5
Bedrooms
4
Bathrooms
2,628 sqft
Living Area
2025
Year Built
5,332
Lot Size (sqft)
$390
HOA / mo
0
Days on Market
Dock Score™
DockOnly43
FairWhat shaped this score
✓Dock with boat lift
✓Bridge-free to bay
✓Fits boats up to 45ft
·Waterfront
DockOnly.com rating, not provided by the MLS or listing broker.
Dock & Water AccessMLS
Gulf Front📝 deep water
AI Aerial Imagery Detection
Dock DetectedBoat Lift DetectedSeawall DetectedDeep Water Indicators~68-92 ft dock
Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.
Navigation RouteDockOnly
Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.
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. 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.
Schedule a Showing
See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.
Select a date
Location
Marathon, FL, 33050
No price history available for this property.
Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]
Listing courtesy of Re/Max Alliance Group via Florida Keys MLS
Last checked: 9 hours ago
Listing updated: August 12, 2026
© 2026 Florida Keys Board of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Florida Keys Board of REALTORS®. Information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal.
IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Dock Score™
DockOnly43
FairWhat shaped this score
✓Dock with boat lift
✓Bridge-free to bay
✓Fits boats up to 45ft
·Waterfront
DockOnly.com rating, not provided by the MLS or listing broker.
Nearest Bridge Clearances
Florida Keys, critical for tall/large vessels
No bridge data available for this location.
Loading nearby marinas…
Loading nearby sandbars…
Mortgage Calculator
Estimate your monthly payment for this waterfront property
20%
$759,000 down
%
Principal & Interest$19,691/mo
Property Tax (est. ~1.2%, varies by county)$3,795/mo
Home Insurance (est.)$250/mo
HOA Fees$390/mo
Total Monthly Payment$24,126
Loan Amount: $3,036,000Rate: 6.75%
Get Pre-QualifiedEstimated payments only. Actual rates and terms may vary.
Similar Listings
$2,790,00014 Avenue F
Marathon, FL
4 4 3,224 sqft
Courtesy of Engel & Völkers Marathon via Florida Keys MLS
$2,900,000154 Milano Drive
Plantation Key, FL
2 2 1,110 sqft
Courtesy of Coldwell Banker Schmitt Islamorada via Florida Keys MLS
$3,750,000301 Buttonwood Circle A
Key Largo, FL
5 5 4,306 sqft
Courtesy of Palm House Real Estate via Florida Keys MLS
$2,750,000139 Marina Avenue
Key Largo, FL
4 6 2,485 sqft
Courtesy of American Caribbean Real Estate, Christie's International Real Estate via Florida Keys MLS
$2,795,00020920 5th Avenue
Cudjoe Key, FL
4 3 2,913 sqft
Courtesy of Compass Florida, LLC via Florida Keys MLS
$4,490,000865 50th Street Gulf
Marathon, FL
5 5 3,826 sqft
Courtesy of Amerifirst Realty via Florida Keys MLS
Swipe or use arrows to see more
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.