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865 50th Street Gulf
Marathon, FL, 33050
Active$4,490,000
865 50th Street Gulf
Marathon, FL, 33050
Active$4,490,000
5
Bedrooms
5
Bathrooms
3,826 sqft
Living Area
2022
Year Built
7,128
Lot Size (sqft)
136
Days on Market
Dock Score™
DockOnly89
ExcellentWhat shaped this score
✓Canal
✓Dock with boat lift
✓Fits boats up to ~100ft+ (est.)
✓Premium waterfront location
·Draft not independently verified
Est. waterfront~199 ft
DockOnly.com rating, not provided by the MLS or listing broker.
Dock & Water AccessMLS
Gulf FrontCanal FrontOpen Water
AI Aerial Imagery Detection
Dock DetectedSeawall DetectedDeep Water Indicators
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.
Canal WidthDockOnly
At the dock
County parcel data65ft
Single measurement at the dock · width variation along the canal not yet available
Measured perpendicular from this parcel's waterfront edge to the parcel directly across the canal, using surveyed county GIS boundaries.
Will it turn around?
Up to 19 ft
Easy
handling
19–25 ft
Fits
with care
25–29 ft
Tight
(back-in)
Boats over 29 ft typically back in/out rather than turning here. Clear channel ≈ 39 ft with boats moored both sides (~13 ft per side for dock + beam). Wide-beam yachts need the upper end of each range.
Navigation RouteDockOnly
Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.
Description
Stunning Gulfside Waterfront Residence with Panoramic Water Views. Experience exceptional waterfront living in this 2022 built home featuring 5 bedrooms and 4.5 bathrooms, perfectly positioned on the Gulf side with breathtaking water views from nearly every room. The main level offers a bright and open layout designed for both comfort and entertainment. A spacious modern kitchen showcases elegant cabinetry, quartz countertops with a striking waterfall edge, and premium stainless-steel appliances. The kitchen flows seamlessly into the large dining and living areas, complete with a stylish wet bar, creating the perfect space for hosting and relaxing. This level also includes a convenient half bath and a utility room with laundry. Upstairs, the second-floor features five generously sized bedrooms and four full bathrooms. The expansive primary suite offers ample space, a beautifully designed modern bathroom, and a private porch where you can enjoy breathtaking sunset views over the water. Two additional bedrooms share a Jack-and-Jill bathroom and provide access to a balcony overlooking the pool and waterfront. A fourth bedroom, currently used as a home office, is located near another full hallway bathroom. The fifth bedroom is a private suite with its own ensuite bathroom. Outdoor living is just as impressive, featuring a large patio area ideal for entertaining, a spacious pool, and a 55-foot dock, making this property perfect for boating enthusiasts and waterfront relaxation. Additional highlights include a large two-car plus garage with ample storage space. This exceptional property combines modern design, generous living space, and stunning Gulfside views, creating a truly remarkable coastal home offering excellent convenience for boat owners. Boat Lift plans have already been approved and permits granted and available.
Schedule a Showing
See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.
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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 Amerifirst Realty via Florida Keys MLS
Last checked: July 21, 2026
Listing updated: July 19, 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™
DockOnly89
ExcellentWhat shaped this score
✓Canal
✓Dock with boat lift
✓Fits boats up to ~100ft+ (est.)
✓Premium waterfront location
·Draft not independently verified
Est. waterfront~199 ft
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%
$898,000 down
%
Principal & Interest$23,298/mo
Property Tax (est. ~1.2%, varies by county)$4,490/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$28,038
Loan Amount: $3,592,000Rate: 6.75%
Get Pre-QualifiedEstimated payments only. Actual rates and terms may vary.
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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.