Easy living in paradise awaits at this solid CBS half-duplex in Marathon. Step out to your 35-ft. dock on a clean, deep canal with quick access to the open ocean, making boating, fishing and island adventures effortless. Inside, enjoy a freshly painted open layout, tile floors and a granite kitchen, while the low-maintenance backyard offers the perfect space for relaxing or entertaining. Ideal as a weekend escape, second home or full-time residence, with the City of Marathon allowing weekly rentals. Your piece of the Florida Keys is ready!
For sale
Price cut: $13K (6/16)
$675,000
427 89th St, Marathon, FL 33050
2beds
945sqft
Half Duplex
Built in 1975
3,049 Square Feet Lot
$644,600 Zestimate®
$714/sqft
$-- HOA
What's special
Granite kitchenFreshly painted open layoutTile floorsLow-maintenance backyard
- 248 days |
- 2,384 |
- 110 |
Zillow last checked:
Listing updated:
Listed by:
David N. Grego 305-481-1296,
Island Breeze Realty, LLC,
Jennifer Davis 815-236-1328,
Island Breeze Realty, LLC
Source: FLKMLS,MLS#: 617668
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Dishwasher, Refrigerator, Range, Oven, Microwave, Stainless Steel Appliance(s)
Features
- Granite Counters, Storage
- Flooring: Tile
Interior area
- Total structure area: 945
- Total interior livable area: 945 sqft
Video & virtual tour
Property
Parking
- Parking features: Storage
Features
- Levels: Ground Level
- Patio & porch: Patio
- Exterior features: Storage
- Fencing: Fenced,Privacy
- On waterfront: Yes
Lot
- Size: 3,049 Square Feet
Details
- Additional structures: Shed(s)
- Parcel number: 00349370000100
- Zoning: RM - Residential Medium
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Half Duplex
Materials
- CBS
Condition
- Year built: 1975
Utilities & green energy
- Utilities for property: Water Separate Meter, Elect Separate Meter
Community & HOA
Community
- Features: Community Boat Ramp, Bike Paths
- Security: Security Guard
- 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: 4/1/2026
- Listing terms: Cash,Conventional,FHA
Estimated market value
$644,600
$612,000 - $677,000
$3,307/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
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 33050
Nearby schools
GreatSchools rating
- 5/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 2.8 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 2.1 mi
- $739,5002 bd2 ba945 sqft425 89th St, Marathon, FL 33050For Sale
- $799,0006,534 sqft89th St, Marathon, FL 33050Lot/Land
- $1,228,8005 bd3 ba1.7k sqft451 89th St, Marathon, FL 33050Off Market
- $1,050,0002 bd2 ba864 sqft279 89th St, Marathon, FL 33050Sold
- $719,0002 bd2 ba945 sqft453 89th St, Marathon, FL 33050Sold
- $1,126,6002 bd2 ba2k sqft426 89th St, Marathon, FL 33050Off Market
- $658,3002 bd2 ba945 sqft455 89th St, Marathon, FL 33050Off Market
- $579,1002 bd2 ba945 sqft455 89th St Ocean, Marathon, FL 33050Off Market
A local agent can set up tours, give advice and negotiate with sellers.
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