DockOnly™

The only MLS search built exclusively for boaters. Find your dock home.

Company

  • About
  • Contact
  • Blog

Search

  • By City
  • By County
  • Dockominiums

Services

  • Marine Services
  • Dock Builders
  • Find Contractors

For Agents

  • Become a Partner
  • Referral Program
  • Featured Listings

Legal

  • Privacy Policy
  • Terms of Use
  • MLS Compliance

© 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

DockOnly and Blue Mar Real Estate Group are committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please let us know.

Equal Housing OpportunityEqual Housing Opportunity

This website complies with the Fair Housing Act. We do not discriminate on the basis of race, color, religion, sex, national origin, familial status, or disability.

DockOnly™Blue Mar Real Estate Group Inc., Licensed Florida Real Estate BrokerBlue MarREAL ESTATE GROUPBlue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker
SearchMarketsDockominiums
SearchMarketsDockominiumsSaved
Real Estate Agents
Home
SearchSaved
Back to Search
12399 Overseas Highway 12 photo 1
12399 Overseas Highway 12 photo 2
12399 Overseas Highway 12 photo 3
12399 Overseas Highway 12 photo 4
12399 Overseas Highway 12 photo 5
12399 Overseas Highway 12 photo 6
12399 Overseas Highway 12 photo 7
12399 Overseas Highway 12 photo 8
12399 Overseas Highway 12 photo 9
12399 Overseas Highway 12 photo 10
12399 Overseas Highway 12 photo 11
12399 Overseas Highway 12 photo 12
12399 Overseas Highway 12 photo 13
12399 Overseas Highway 12 photo 14
12399 Overseas Highway 12 photo 15
12399 Overseas Highway 12 photo 16
12399 Overseas Highway 12 photo 17
12399 Overseas Highway 12 photo 18
12399 Overseas Highway 12 photo 19
12399 Overseas Highway 12 photo 20
12399 Overseas Highway 12 photo 21
12399 Overseas Highway 12 photo 22
12399 Overseas Highway 12 photo 23
12399 Overseas Highway 12 photo 24
12399 Overseas Highway 12 photo 25
1 / 25
12399 Overseas Highway 12
25 photos
12399 Overseas Highway 12 photo 2
12399 Overseas Highway 12 photo 3
12399 Overseas Highway 12 photo 4
12399 Overseas Highway 12 photo 5
+20

12399 Overseas Highway 12

Marathon, FL, 33050

Active

$1,200,000

12399 Overseas Highway 12

Marathon, FL, 33050

Active

$1,200,000

3

Bedrooms

3

Bathrooms

1,360 sqft

Living Area

2007

Year Built

$1,200,000Tour the dockSchedule a Showing

$881

HOA / Monthly

455

Days on Market

Dock & Water AccessMLS

Canal Front

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

Description

Welcome to Coral Lagoon in the Heart of the Florida Keys. THE NEW DOCKS ARE IN AND READY FOR YOUR BOAT. This townhome has been tastefully remodeled leaving you to relax in style. The first level features heightened ceilings over an open floor plan living area with updated kitchen, eat-at breakfast bar, dining area, powder room, spacious living area and deep covered porch that is just steps in front of your deeded 40' dock space. Upstairs the primary suite features vaulted ceilings, ensuite bath and a private balcony overlooking the canal. Separated by the hallway are two additional bedrooms, each with vaulted ceilings, a full guest bath and laundry. The complex has a beautiful heated pool and you for all of your boating activities from your 40' dock, next door is the Boat House with a convenient fuel dock and quick access to both the Atlantic and the Gulf. Many restaurants, bars and shops are within short walking or bike riding distance making this destination as convenient as it is stylish. This is an active vacation rental so allow time to schedule a private viewing. Call today for more information.

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 Berkshire Hathaway HomeServices Keys Real Estate via Florida Keys MLS

Last updated: 7/12/2026

© 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.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone AE
BFE: 8ft

Special Flood Hazard Area

View FEMA Flood Map →
Loading nearby marinas…
Loading nearby sandbars…

Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$240,000 down

%
Principal & Interest$6,227/mo
Property Tax (est. ~1.2%, varies by county)$1,200/mo
Home Insurance (est.)$250/mo
HOA Fees$881/mo
Total Monthly Payment$8,558
Loan Amount: $960,000Rate: 6.75%
Get Pre-Qualified

Estimated payments only. Actual rates and terms may vary.

Similar Listings

2600 Overseas Hwy 22$849,000

2600 Overseas Hwy 22

Marathon, FL

3 2 1,320 sqft

Courtesy of Florida Keys Real Estate Group via Florida Keys MLS

96000 Overseas Highway U9$1,250,000

96000 Overseas Highway U9

Key Largo, FL

2 3 1,283 sqft

Courtesy of Northgate Realty, LLC via Florida Keys MLS

97501 Overseas Hwy 906$975,000

97501 Overseas Hwy 906

Key Largo, FL

4 4 2,500 sqft

Courtesy of LoKation via MIAMI REALTORS®

7061 Harbor Village Drive$1,300,000

7061 Harbor Village Drive

Duck Key, FL

3 3 1,320 sqft

Courtesy of Ocean Sotheby's International via Florida Keys MLS

10877 Overseas Highway 44$909,000

10877 Overseas Highway 44

Marathon, FL

1 2 1,714 sqft

Courtesy of Coldwell Banker Schmitt Real Estate Co. (KW) via Florida Keys MLS

2600 Overseas Highway 85$872,500

2600 Overseas Highway 85

Marathon, FL

3 3 1,320 sqft

Courtesy of American Caribbean Real Estate, Christie's International Real Estate via Florida Keys MLS

Swipe or use arrows to see more