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10999 3rd Avenue

Marathon, FL, 33050

Active

$1,700,000

2

Bedrooms

3

Bathrooms

1,247 sqft

Living Area

1977

Year Built

10,125

Lot Size (sqft)

166

Days on Market

Dock Score™

DockOnly
92
Excellent

What shaped this score

Ocean Access
Dock with boat lift
Bridge-free to bay & ocean
Fits boats up to ~100ft+ (est.)
·Draft not independently verified
Est. waterfront~205 ft

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

Canal FrontCanalOcean Access

AI Aerial Imagery Detection

Dock DetectedBoat Lift DetectedSeawall Detected

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
100ft
dock100 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 36 ft

Easy
handling

3649 ft

Fits
with care

4956 ft

Tight
(back-in)

Boats over 56 ft typically back in/out rather than turning here. Clear channel ≈ 74 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

Unapproved Short Sale for Non-Conforming 2 Bed/3 Bath Waterfront Home in Marathon. Large corner lot with 205 feet of water frontage. First floor has non-conforming addition of 2 bedrooms and living area. Second floor nicely updated with renovated kitchen, baths and impact windows throughout.

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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 Beckett Realty Advisors, LLC via MIAMI REALTORS®

Last checked: 18 hours ago

Listing updated: June 16, 2026

© 2026 Miami Association 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 program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. 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: 7ft

Special Flood Hazard Area

View FEMA Flood Map →
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Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$340,000 down

%
Principal & Interest$8,821/mo
Property Tax (est. ~1.2%, varies by county)$1,700/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$10,771
Loan Amount: $1,360,000Rate: 6.75%
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$1,700,000Tour 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.