63 Days on Market
House for Sale
$1,150,000
4 bd · 3 ba · 3,647 sqft
285 Tropical Ave, Marathon, FL 33050
CRAINS SUBD
10999 Ave 3rd Avenue, Marathon, FL 33050
$1,700,0002 Beds3 Baths1,247 Sq. Ft.$1,363 / sq. ft.
Marathon, FL 33050 · MLS# F10543646 · Active · Key Colony Sub 4
Status
Active
Type
Single Family Residence
Year Built
1977
Days on Market
281
Lot Size
10,125 sqft
MLS #
F10543646
County
Monroe County
Description of 10999 Ave 3rd Avenue, Marathon, FL 33050
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.
Property Details for 10999 Ave 3rd Avenue, Marathon, FL 33050
- Bathrooms Full
- 3
- Bathrooms Half
- 0
- Interior Features
- Other
- Appliances
- Dishwasher, Electric Range, Refrigerator, Washer
- Heating
- Central, Electric
- Cooling
- Central Air, Electric
- Architectural Style
- Two Story
- Garage Spaces
- 0
- Parking Features
- Driveway
- Pool Private
- Yes
- Year Built Details
- Resale
- Direction Faces
- Southwest
Building Information for 10999 Ave 3rd Avenue, Marathon, FL 33050
- Building Name
- Key Colony Sub 4
- Building Area Units
- Square Feet
- Stories
- 2
- Stories Total
- 2
- Association
- No
- Association Amenities
- Boat Dock, None, Private Pool
Property Information for 10999 Ave 3rd Avenue, Marathon, FL 33050
- Lot Features
- Less Than 1/4 Acre Lot
- Lot Size Square Feet
- 10,125
- Waterfront
- Yes
- Waterfront Features
- Canal Front, Canal, Ocean Access
- Frontage Length
- 205
- View
- Canal, Canal View
- Construction Materials
- Concrete Block Construction
- Roof
- Metal, Metal Roof
- Exterior Features
- Open Balcony
- Sewer
- Public Sewer, Public Sanitation, Sewer
- Water Source
- Public
- New Construction
- No
Public Records for 10999 Ave 3rd Avenue, Marathon, FL 33050
- Parcel Number
- 00335550000000
- Tax Annual Amount
- $10,682
- Tax Year
- 2025
- Tax Legal Description
- BK 9 LT 1 KEY COLONY SUBD 4 PB4-23 KEY VACA OR431-100 OR679-699 OR1368-724 OR1485-1676 OR1549-1413Q/C OR2265-671 OR2295-533T/C OR2359-1411 O
- Zoning
- IS
- County Or Parish
- Monroe County
Payment Calculator
Estimated Payment
$10,336/mo
- Principal & Interest
- $8,596
- Property Taxes
- $890
- Home Insurance
- $850
Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.
Location
10999 Ave 3rd Avenue, Marathon, FL 33050
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More information about 10999 Ave 3rd Avenue, Marathon, FL 33050
10999 Ave 3rd Avenue is a single family home for sale in Marathon, FL 33050. This property was listed for sale on January 1, 2026 by Beckett Realty Advisors, LLC, it's currently listed at $1,700,000. This listing's school district is Monroe County Public Schools. 10999 Ave 3rd Avenue is a 2-bed, 3-bath, 1,247 sqft single family home built in 1977.