NOT LISTED FOR SALE

Estimated Value: $976,665

4 Beds
4 Baths
1,918 Sq Ft
$509/Sq Ft Est. Value

Sale Details

Date Sold: August 1, 2025

Last sale price $970,000 $506 Per Sq Ft

Est. 1% increase in value since last sale

Current estimated payment $5,999 / mo

102 Days on Market

Highlights

  • Deck
  • Furnished
  • Balcony
  • Loft
  • No HOA
  • Shutters

About This Home

As of August 2025

Located in the highly coveted Knight's Key neighborhood, this stunning stilted FULL duplex presents an incredible opportunity for a family vacation retreat, investment property, or both! Ideally situated on a 9,200 square foot lot just minutes from the iconic 7 Mile Bridge and the beloved Sunset Grill, this home places you at the heart of all that Marathon has to offer. Each side of this well-maintained duplex boasts two spacious bedrooms, two bathrooms, and a versatile loft area--perfect as a third sleeping space, office, or extra storage. The new composite decking extends your living space outdoors, providing the perfect setting for enjoying the tropical breeze. Plus, with recently replaced A/C units and fresh exterior paint, you can enjoy comfort and peace of mind year-round. Designed for both functionality and breathtaking views, the home's elevated construction with solid concrete stilts enhances durability while maximizing the coastal lifestyle. Whether you choose to live in one unit and rent the other or capitalize on the rental income from both, this property offers endless possibilities in one of Marathon's most desirable waterfront communities.

Last Agent to Sell the Property

Jo Ann Cook

Ocean Sotheby's International License #3330898 Listed on: 03/13/2025

Ocean Sotheby's International

Co-Listed By

Ally Kelley

Ocean Sotheby's International License #SL3352184

Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Property Details

Home Type

  • Multi-Family

Est. Annual Taxes

  • $7,441

Year Built

  • Built in 1999

Lot Details

  • 9,200 Sq Ft Lot

Home Design

  • Duplex
  • Frame Construction
  • Metal Roof
  • Pre-Cast Concrete Construction

Interior Spaces

  • 1,918 Sq Ft Home
  • 1-Story Property
  • Furnished
  • Shutters
  • Sliding Doors
  • Loft
  • Monitored

Kitchen

  • Oven
  • Range
  • Microwave
  • Built-In or Custom Kitchen Cabinets

Flooring

  • Carpet
  • Laminate
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 4 Full Bathrooms

Laundry

  • Dryer
  • Washer

Parking

  • Carport
  • Guest Parking
  • Open Parking

Outdoor Features

  • Balcony
  • Deck

Utilities

  • Central Heating and Cooling System
  • Separate Meters
  • Public Hookup Available For Sewer
  • Cable TV Available

Listing and Financial Details

  • Minimum Rental Period: 7
  • Assessor Parcel Number 00319900-000000

Community Details

Overview

  • No Home Owners Association
  • Knights Key Village Subdivision

Pet Policy

  • Pets Allowed

Property Details

Home Type

Multi-Family

Est. Annual Taxes

$7,441

Year Built

Built in 1999

Lot Details

9,200 Sq Ft Lot

Listing Details

  • Property Type: Residential
  • Style: Duplex
  • As Is Right To Inspect: Yes
  • First Right of Refusal: No
  • Mandatory HOA: No
  • Fee Includes: None
  • Key Island: Marathon
  • Limited Representation: No
  • Marathon Neighborhood: Knights Key
  • Mile Marker: 47.00
  • Min Rental Days: 7.00
  • M L S Identifier: 20060123165453488875000000
  • Off Shore Island: No
  • Pets: Pets Allowed
  • Property Group I D: 19990816212109142258000000
  • Sale Terms: Conventional
  • Side: Ocean
  • State Province: FL
  • Taxes: 7440.80
  • Vehicle Storage: Carport, Trailer Storage, Covered Parking, Guest Parking, Open Parking
  • Year Built: 1999
  • Alternate Key Number: 1394343
  • Cooling Heating: Central Air
  • Lot Sq Ft: 9200.00
  • Porch Balcony: Open Porch/Balcony, Deck
  • Shutters: Panel
  • Species List: No
  • Tax Exemptions: None
  • Building Style Above Flood: Yes
  • Building Style Stories: 1 Story
  • Estimated Living Sq Ft: 1918.00
  • Pre Wired: Cable
  • Sewer Hook Up: Yes
  • Statistical Purposes Only: No
  • Special Features: None
  • Property Sub Type: MultiFamily

Interior Features

  • Interior Amenities: Built-in Cabinets
  • Total Bathrooms: 4.00
  • Full Bathrooms: 4
  • Appliances: Washer, Microwave, Oven, Range, Refrigerator, Dryer
  • Floor: Tile, Laminate, Carpet
  • Specialty Rooms: Loft
  • Windows/Doors: Sliding Glass Doors, Aluminum Windows
  • Total Bedrooms: 4

Exterior Features

  • Dockage: None
  • Waterfront: None
  • Waterfront: No
  • Construction: Concrete, Combo Construction, Frame
  • Roof: Metal Roof
  • Waterview: No Waterview
  • Pool: No

Utilities

  • Security: Patrolled Area
  • Utilities: FKAA, Cable Available, Elect Separate Meter, Municipal Sewer
  • Heating: Central

Lot Info

  • Deed Restrictions: Unknown
  • Flood Zone: AE
  • Parcel Number: 00319900-000000
  • Land Size: Less Than 1/4 Acre
  • Acres: 0.21

Rental Info

  • Rentals Allowed: Yes
  • Furnished: Furnished

Tax Info

  • Tax Year: 2024

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Mar 13, 2025
Closed on
Aug 1, 2025
Sold by
Bought by
Seller's Agent
Jo Ann Cook
Ocean Sotheby's International
Buyer's Agent
Creative Technology
List Price
$995,000
Sold Price
$970,000
Premium/Discount to List
-$25,000
-2.51%
Views
41
Current Estimated Value
$976,665

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$6,665
Avg. Annual Appreciation
0.69%
Original Mortgage
$776,000
Outstanding Balance
$768,469
Interest Rate
6.77%
Mortgage Type
New Conventional
Estimated Equity
$208,196

Purchase Details

Closed on
Jul 13, 2011
Sold by
Bought by

Purchase Details

Closed on
Dec 1, 1985
Bought by
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Agents Specializing in Marathon, FL

See All Agents

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$970,000 None Listed On Document
-- None Available
$10,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $776,000
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
08/01/2025 08/01/25 Sold $970,000 -1.5% $506 / Sq Ft
06/23/2025 06/23/25 Pending -- -- --
05/05/2025 05/05/25 Price Changed $985,000 -1.0% $514 / Sq Ft
03/13/2025 03/13/25 For Sale $995,000 -- $519 / Sq Ft
Source: Marathon and Lower Keys Association of REALTORS®

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $7,441 $812,621 $497,904 $314,717
2024 $7,311 $579,174 $265,926 $313,248
2023 $7,311 $567,143 $265,926 $301,217
2022 $7,130 $571,509 $265,926 $305,583
2021 $6,825 $512,690 $256,496 $256,194
2020 $6,455 $513,795 $248,952 $264,843
2019 $5,941 $440,128 $171,626 $268,502
2018 $5,546 $437,509 $165,347 $272,162
2017 $5,048 $352,480 $0 $0
2016 $4,847 $319,131 $0 $0
2015 $4,685 $315,306 $0 $0
2014 $4,551 $301,356 $0 $0
Source: Public Records

Agents Affiliated with this Home

  • Section Image
  • Section Image
See All Agents

Map

Source: Marathon and Lower Keys Association of REALTORS®

MLS Number: 614156

APN: 00319900-000000

Your Personal Tour Guide

Ask me questions while you tour the home.