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Single family home for sale at 10999 Avenue 3rd, Marathon, FL 33050 | MLS# F10543646 | Listing updated on 2026-10-09
Photo 1 of Single family home for sale at 10999 Avenue 3rd, Marathon, FL 33050 | MLS# F10543646 | Listing updated on 2026-10-09
Photo 2 of Single family home for sale at 10999 Avenue 3rd, Marathon, FL 33050 | MLS# F10543646 | Listing updated on 2026-10-09
Photo 3 of Single family home for sale at 10999 Avenue 3rd, Marathon, FL 33050 | MLS# F10543646 | Listing updated on 2026-10-09
Photo 4 of Single family home for sale at 10999 Avenue 3rd, Marathon, FL 33050 | MLS# F10543646 | Listing updated on 2026-10-09
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$1,700,000

Monthly Est:$8,462

  • Beds Icon2 Beds
  • Beds Icon
    3 Baths
  • Beds Icon1,247sqft

10999 Avenue 3rd, Marathon, FL 33050

$8,462/moEst:

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  • Single Family Residence

  • Built in 1977

  • $-- HOA

  • 10,125 sqft lot

  • $1,363/sq.ft

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.

  • Houzeo last checked: 12 minutes ago
  • Listing updated: October 9, 2026 at 5:39 pm
  • Listing Provided by: Beau Beckett DRE #3181126 | Beckett Realty Advisors, LLC (954) 900-9811
  • Source: Beaches MLS-FL | MLS#: F10543646 Beaches MLS-FL

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    2

  • County

    Monroe County

  • City

    Marathon

  • Neighborhood

    --

  • Year Built

    1977

  • HOA Fees

    -

  • Finished Area

    1,247 sqft

  • Lot Size

    10,125 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Beaches MLS

  • MLS Number

    F10543646

  • MLS Status

    Active

  • Days on Market

    301

  • Cumulative Days on Market

    281

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 2

    Bathrooms: 3

Interior

  • Flooring

    Laminate

  • Appliances

    Dishwasher, Electric Range, Refrigerator, Washer

  • Interior Features

    Upper Level Primary

  • Sewer

    Public Sewer

  • Window Features

    Impact Glass

  • Cooling

    Central Air, Electric

  • Heating

    Central, Electric

  • Exterior Features

    Balcony, Outdoor Living Area

Construction

  • Year Built

    Year Built: 1977

  • Home type

    Single Family Residence

  • Construction Materials

    Block

  • Property Condition

    Resale

  • Roof

    Metal

Utilities & Energy

  • Water Source

    Public

  • Parking Features

    Driveway

  • Pool Features

    In Ground

  • Association Amenities

    None

Other Features

  • Lot Features

    Less Than Quarter Acre

  • Patio And Porch Features

    Open, Balcony

  • Subdivision Name

    Key Colony Sub 4

Price History

DateEventPrice

01/01/2026

Source: mls_logoBeaches MLS-FL #F10543646

Off Market

$1,700,000

$1,363/sqft

01/01/2026

Source: mls_logoBeaches MLS-FL #F10543646

Listed for Sale

$1,700,000

$1,363/sqft

Nearby Homes

IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This data is not verified for authenticity or accuracy and may not reflect all real estate activity in the market. Based on information © 2026 BeachesMLS, Inc. All Rights Reserved.

Advertising Broker: Moe Mossa (Savvy Avenue) | Savvy Avenue, LLC

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