Home in 10999 Ave 3rd Avenue, Marathon, FL 33050 for sale with MLS# F10543646

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.

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Days on the market

10999 Ave 3rd Avenue, Marathon, FL 33050

Price
Price:
$1,700,000.00
Original List Price:
$1,700,000.00
List Price per Sq Ft (Calculated, Approx.):
$1,363.27
Property Status and Type
Listing Type:
For Sale
Status:
Active
Special Sale Conditions:
Short Sale
Listing Category:
Residential
Property Type:
Single Family House
Description of Last Important Update:
New Listing
Last Major Update on:
January 1, 2026 4:38 pm
Rooms Distribution
Bedrooms:
2
Bathrooms Total:
3
Full Bath:
3
Room Type:
Other
Rooms Total:
1
Master Bedroom Bath:
Master Bdrm - Upstairs
Measures
Living Area:
1,247 Sqft
Lot Area:
10,018.80 Sqft
Lot Size Acres:
0.23
Property Features
View from the Property:
Canal
Waterfront:
Yes
Waterfront Features:
Ocean Access, Canal Front, No Fixed Bridge
Frontage Length:
205
Private Pool
Swimming Pool Features:
In Ground
Appliances:
Dishwasher, Refrigerator, Washer, Electric Range
Exterior:
Balcony
Air Conditioning
Air Conditioning System:
Central Air, Electric
Heating
Heating System:
Central, Electric
Boat and Dock Features:
Private Dock
Property Entrance Faces:
Southwest
Balcony Details:
Balcony - Open
Storm Protection Details:
High Impact Door, High Impact Windows
Construction
Year Built:
1977
Roof:
Metal
Year Roof Installed:
2013
Levels:
Two
Entry Level (floor):
2
Entry Level Location:
Second Floor Entry
Construction Materials:
Block
Flooring:
Laminate
Number of stories:
2
Stories:
2
Property Condition:
Resale
Taxes and Expenses
Tax Annual Amount:
$10,682.00
Tax Year:
2025
Tax Assessed Value:
$1,113,907.00
Property Tax Details:
No Homestead
Parking
Garage Spaces:
0
Covered Spaces:
0
Parking Features:
Driveway
Utilities
Sewer:
Public Sewer
Water Source:
Public
Community
Subdivision Name:
Key Colony Sub 4
Senior Community:
No
Development Name:
Key Colony
Restrictions:
No Restrictions
Community Dock
Terms
Listing Terms Considered by Seller:
Cash
Buyer Possession:
Negotiable
Zoning and Legal
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
Real Estate Folio Number (Parcel Number):
00335550000000
Zoning:
IS
Listing History
Active on the market since:
January 1, 2026
Listing Agreement executed on:
January 1, 2026
Listing Status Last Changed On:
January 1, 2026 4:38 pm
Photos updated on:
January 6, 2026 4:38 pm
Last Modified:
April 9, 2026 5:09 am
Additional Information
Courtesy of:
Beckett Realty Advisors, LLC
Attribution:
Not provided
Location
Street Name:
Ave 3rd
Street Number:
10999
City:
Marathon
State:
Florida
Zip Code:
33050
County:
Monroe
Latitude:
N24° 43' 51''
Longitude:
W82° 57' 48.3''
Street Suffix:
Avenue
Property Map

Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $83,243
Median Home Value $705,600
Median Rent $1,611/mo
Median Age 48
Population 10,586

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