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© 2026 DockOnly™. All rights reserved.

DockOnly™ and Dock Score™ are trademarks of Blue Mar Real Estate Group Inc.

Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker

Blue Mar Real Estate Group Inc.

Licensed Florida Real Estate Broker · DBPR License CQ1018554

4000 Ponce De Leon Blvd, Suite 470, Coral Gables, FL 33146

[email protected]

Listing data is provided by participating Multiple Listing Services and is deemed reliable but not guaranteed. Each listing's MLS source and its required disclosures appear with that listing. Dock Score™ is a DockOnly.com rating and is not provided by or affiliated with any MLS or listing broker. NOAA chart data is public domain and for reference only, not for navigation. Full MLS Compliance

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109 Avenue D APT 307 photo 1
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+13

109 Avenue D APT 307

Marathon, FL, 33050

Active

$339,000

109 Avenue D APT 307

Marathon, FL, 33050

Active

$339,000

0

Bedrooms

1

Bathrooms

425 sqft

Living Area

1974

Year Built

$339,000Tour 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.

$455

HOA / Monthly

141

Days on Market

Dock Score™

DockOnly
63
Good

What shaped this score

✓Canal
✓Dock present
✓Bridge-free to bay & ocean
✓Premium waterfront location

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

Dock & Water AccessMLS

Canal Front📝 deep 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.

Navigation RouteDockOnly

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

Beautifully renovated first-floor studio condo in a prime waterfront boating community. This unit features a full kitchen with granite countertops and breakfast bar, tile flooring in the kitchen and living area, LVP flooring in the sleeping area and fully renovated bathroom (including updated plumbing), plus built-in closet storage. Enjoy the screened-in porch with your morning coffee or evening cocktails. The complex offers deep-water dockage,an assigned boat slip, a private boat ramp, boat trailer parking, vehicle parking, and a heated in-ground community pool. Located on a 200-ft-wide canal with quick ocean and sandbar access. New roof (2023) and new A/C (2022). Seven-night rentals permitted. This is truly a boater's dream!

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 LPT Realty, LLC via Florida Keys MLS

Last updated: 7/1/2026

© 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™

DockOnly
63
Good

What shaped this score

✓Canal
✓Dock present
✓Bridge-free to bay & ocean
✓Premium waterfront location

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.
FEMA Flood Zone AE
BFE: 7ft

Special Flood Hazard Area

View FEMA Flood Map →
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Loading nearby sandbars…

Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$67,800 down

%
Principal & Interest$1,759/mo
Property Tax (est. ~1.2%, varies by county)$339/mo
Home Insurance (est.)$250/mo
HOA Fees$455/mo
Total Monthly Payment$2,803
Loan Amount: $271,200Rate: 6.75%
Get Pre-Qualified

Estimated payments only. Actual rates and terms may vary.

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