For sale

$1,700,000

10999 Ave 3rd Avenue, Marathon, FL 33050

2beds

1,247sqft

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Single Family Residence

Built in 1977

10,125 Square Feet Lot

$1,574,200 Zestimate^®

$1,363/sqft

$-- HOA

What's special

Renovated kitchenLarge corner lotSecond floor nicely updatedImpact windows throughout

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.

190 days

235

8

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 3
Full bathrooms: 3
Main level bathrooms: 1

Heating

Central, Electric

Cooling

Central Air, Electric

Appliances

Included: Dishwasher, Electric Range, Refrigerator, Washer

Features

Upper Level Primary
Flooring: Laminate
Windows: Impact Glass

Interior area

Total interior livable area: 1,247 sqft

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Property

Parking

Parking features: Driveway
Has uncovered spaces: Yes
Details: CarportSpaces:0.00

Features

Levels: Two
Stories: 2
Entry location: Second Floor Entry
Patio & porch: Open, Balcony
Exterior features: Balcony, Outdoor Living Area
Has private pool: Yes
Pool features: In Ground
Has view: Yes
View description: Canal
Has water view: Yes
Water view: Canal
Waterfront features: Canal Front, No Fixed Bridges, Ocean Access
Frontage type: Waterfront
Frontage length: 205.00,205.00

Lot

Size: 10,125 Square Feet
Features: < 1/4 Acre

Details

Parcel number: 00335550000000
Zoning: IS
Special conditions: Short Sale

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence

Materials

Block
Roof: Metal

Condition

Resale
New construction: No
Year built: 1977

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Subdivision: Key Colony Sub 4

HOA

Has HOA: No
Amenities included: None

Location

Region: Marathon

Financial & listing details

Price per square foot: $1,363/sqft
Tax assessed value: $1,113,907
Annual tax amount: $10,682
Date on market: 1/1/2026
Cumulative days on market: 190 days
Listing terms: Cash

Estimated market value

$1,574,200

$1.50M - $1.65M

$4,178/mo

Price history

Date	Event	Price
1/6/2026	Listed for sale	$1,700,000+72.1%$1,363/sqft
Source: BeachesMLS #F10543646 Report a problem
8/7/2023	Sold	$988,000-19.3%$792/sqft
Source: Public Record Report a problem
8/19/2022	Sold	$1,225,000-27.9%$982/sqft
Source: FLKMLS #599206 Report a problem
8/3/2022	Pending sale	$1,699,999$1,363/sqft
Source: FLKMLS #599206 Report a problem
8/3/2022	Listed for sale	$1,699,999$1,363/sqft
Source: Key West AOR #599206 Report a problem
6/17/2022	Contingent	$1,699,999$1,363/sqft
Source: Key West AOR #599206 Report a problem
2/2/2022	Price change	$1,699,999+0.1%$1,363/sqft
Source: Key West AOR #599206 Report a problem
1/15/2022	Listed for sale	$1,699,000+192.9%$1,362/sqft
Source: FLKMLS #599206 Report a problem
5/6/2008	Sold	$580,000+172.3%$465/sqft
Source: Public Record Report a problem
9/5/1995	Sold	$213,000$171/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$10,682 -6.7%	$1,113,907 -2.6%
2024	$11,448 -1.8%	$1,143,780 -0.6%
2023	$11,653 +54.7%	$1,150,840 +92.6%
2022	$7,531 +19.2%	$597,392 +10%
2021	$6,318 +5.1%	$543,084 +4.2%
2020	$6,011	$521,306 +4.3%
2019	$6,011 +6.5%	$499,853 -0.9%
2018	$5,643 +8.3%	$504,539 +3.6%
2017	$5,212 +6.2%	$487,217 +36.3%
2016	$4,909 +12.4%	$357,339 +5%
2015	$4,368	$340,165

Find assessor info on the county website

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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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