$1,700,000
2 bd · 3 ba · 1,247 sq ft · Single Family Residence
10999 Ave 3rd Avenue, Marathon FL 33050
For Sale · Active listing
Est. payment $9,342/mo · Mortgage calculator
Listed by Beckett Realty Advisors, LLC / Kenneth L Beckett
Contact: 954-815-8818 (listing contact).
Shown through Slice Realty. Requests from this page reach Slice Realty / Propiedad Futura, not the listing agent.
About this home
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.
Facts
- MLS #
- F10543646
- Subdivision
- Key Colony Sub 4,Key Colony
- Property type
- Residential
- Property subtype
- Single Family Residence
- Sq. ft.
- 1,247
- Price per sq. ft.
- $1,363 / sq ft
- Year built
- 1977
- Days on market
- 281
- County
- Monroe County
- Date listed
- Jan 1, 2026
- Last updated
- Oct 9, 2026
Financial considerations
- Taxes
- $10,682 (2025)
- HOA amenities
- Boat Dock, None, Private Pool
Exterior features
- Waterfront
- Yes
- View
- Canal, Canal View
- Construction
- Concrete Block Construction
- Roof
- Metal, Metal Roof
- Additional features
- Open Balcony
Interior features
- Heating
- Central, Electric
- Cooling
- Central Air, Electric
- Appliances
- Dishwasher, Electric Range, Refrigerator, Washer
- Window features
- High Impact Windows, Impact Glass
- Additional features
- Other
Additional features
- Community
- None
Mortgage calculator
Includes principal and interest, taxes and insurance.
Rate: Freddie Mac 30-year average (2026-10-22). Estimate only.
Local context (our analysis)
Area stats are available for our covered neighborhoods. See neighborhoods.
Source: Southeast Florida MLS (SEFMLS). Last updated Oct 9, 2026, 1:40 PM ET
Listing data is deemed reliable but is not guaranteed accurate by the MLS. Information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.