For sale

Price cut: $13K (6/16)

$675,000

427 89th St, Marathon, FL 33050

2beds

945sqft

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Half Duplex, Single Family Residence

Built in 1975

3,049 Square Feet Lot

$656,400 Zestimate^®

$714/sqft

$-- HOA

What's special

Instant ocean accessSolid cbs half-duplexGranite kitchenAmple parking up frontOpen layoutTile floors

Step out to your 35-ft. dock on a clean, deep canal and enjoy instant ocean access from this solid CBS half-duplex. Inside, find an open layout, tile floors, a granite kitchen, and a 2018 metal roof, plus a low-maintenance backyard perfect for relaxing or entertaining. Ideal as a second home or full-time residence in the heart of the Florida Keys. Enjoy minimal stairs to climb and ample parking up front. Your piece of paradise awaits!

203 days

3,366

130

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2

Cooling

Central Air, Ceiling Fans(s)

Appliances

Included: Refrigerator, Stainless Steel Appliance(s), Microwave, Oven, Range

Features

Granite Counters, Storage
Flooring: Tile
Doors: Sliding Glass Doors
Windows: Single Hung Windows, Panel

Interior area

Total interior livable area: 945 sqft

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Property

Parking

Total spaces: 3
Parking features: Trailer Storage

Features

Levels: Ground Level
Patio & porch: Patio
Exterior features: Storage
Fencing: Fenced,Privacy
Has view: Yes
View description: Canal
Has water view: Yes
Water view: Canal
Waterfront features: Canal Front, Waterfront, Dock: Concrete, Dock Length: 35

Lot

Size: 3,049 Square Feet
Features: Less Than 1/4 Acre

Details

Additional structures: Shed(s)
Parcel number: 00349370000100
Zoning: RM
Zoning description: Residential Medium

Construction

Type & style

Home type: SingleFamily
Property subtype: Half Duplex, Single Family Residence
Attached to another structure: Yes

Materials

CBS
Roof: Metal

Condition

Year built: 1975

Utilities & green energy

Electric: Elect Separate Meter
Sewer: Municipal Sewer, Public Sewer
Water: Water Separate Meter
Utilities for property: FKAA

Community & HOA

Community

Features: Community Boat Ramp, Bike Paths, Airport/Runway
Security: Patrolled Area
Subdivision: Gulfstream Shore (Marathon) (52.0)

HOA

Has HOA: No
Services included: None

Location

Region: Marathon

Financial & listing details

Price per square foot: $714/sqft
Tax assessed value: $622,915
Annual tax amount: $5,062
Date on market: 12/11/2025
Listing terms: Cash,FHA,VA Loan,Conventional

Estimated market value

$656,400

$624,000 - $689,000

$3,099/mo

Price history

Date	Event	Price
6/16/2026	Price change	$675,000-1.9%$714/sqft
Source: FLKMLS #617668 Report a problem
4/25/2026	Price change	$688,000-1.4%$728/sqft
Source: FLKMLS #617668 Report a problem
4/1/2026	Listed for sale	$698,000$739/sqft
Source: FLKMLS #617668 Report a problem
3/2/2026	Pending sale	$698,000$739/sqft
Source: FLKMLS #617668 Report a problem
2/20/2026	Listed for sale	$698,000$739/sqft
Source: FLKMLS #617668 Report a problem
1/6/2026	Contingent	$698,000$739/sqft
Source: FLKMLS #617668 Report a problem
12/11/2025	Listed for sale	$698,000$739/sqft
Source: Key West AOR #617668 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$5,011 -1%	$450,638 +10%
2024	$5,063 +3%	$409,671 +10%
2023	$4,915 +16.5%	$372,428 +10%
2022	$4,218 +17.9%	$338,571 +10%
2021	$3,577 +0.8%	$307,792 -0.8%
2020	$3,547	$310,151 +4.4%
2019	$3,547 +3.7%	$297,149 +6.1%
2018	$3,420 +8.7%	$280,132 -0.2%
2017	$3,145 -0.1%	$280,627 +5.9%
2016	$3,148 +2.1%	$264,917 +4%
2015	$3,083	$254,838

Find assessor info on the county website

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

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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