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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)

186

Days on Market

Dock Score™

DockOnly
89
Excellent

What 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 data
65ft
dock65 ft

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

1925 ft

Fits
with care

2529 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 saltwater pool, and a 55-foot dock with a 20,000 four post Cradle Boat Lift, making this property perfect for boating enthusiasts and waterfront relaxation. Over 1,000 Square Feet of balconies covered porches and patios for added outdoor living space. Additional highlights include a 1,550 ft square foot paver driveway and a 2 ½ 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.

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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: August 24, 2026

Listing updated: September 8, 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.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone AE
BFE: 9ft

Special Flood Hazard Area

View FEMA Flood Map →
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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%
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$4,490,000Tour the dockSchedule a Showing
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.