Waterfront Living in Key Colony Beach! Opportunity to update this 2-bedroom, 2-bathroom half duplex situated on a wide canal in the heart of Key Colony Beach to make it your own! Offers 37.5 feet of dockage, providing effortless access to both the Ocean and the Gulf via nearby Vaca Cut. Inside, this home offers a comfortable and functional layout, making it ideal for full-time living, a vacation retreat, or an investment rental. Located in the highly sought-after Key Colony Beach, you'll have access to playgrounds, scenic walking paths, a par-3 golf course, Sunset Park, and popular restaurants--all just a short stroll away. Whether you're an avid boater, golfer, or simply love the laid-back island lifestyle, this home is a perfect fit. Don't miss this incredible opportunity to own a waterfront gem in the Florida Keys!
Sold for $625,000
$625,000
421 10th St, Key Colony Beach, FL 33051
2beds
885sqft
Half Duplex, Multi Family
Built in 1970
3,920.4 Square Feet Lot
$-- Zestimate®
$706/sqft
$4,282 Estimated rent
Home value
Not available
Estimated sales range
Not available
$4,282/mo
Zestimate® history
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$3,798/mo
Est. payment
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Est. payment
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List your homeWhat's special
Zillow last checked: 7 hours ago
Listing updated: November 14, 2025 at 09:35am
Listed by:
Natalie M. Ardis 305-481-3317,
Coldwell Banker Schmitt Real Estate Co.
Bought with:
Germain Garcia, 3389997
Lifestyle International Realty
Source: FLKMLS,MLS#: 614159
Originating MLS: Marathon/Lower Keys
Originating MLS: Marathon/Lower KeysFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Electric
Cooling
- Central Air
Appliances
- Included: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
Features
- Flooring: Tile
- Doors: Sliding Glass Doors
- Windows: Single Hung Windows, Accordion, Bahama
Interior area
- Total interior livable area: 885 sqft
Property
Parking
- Parking features: Open, Off Street, Guest
- Has uncovered spaces: Yes
Features
- Patio & porch: Screened P/B
- Has view: Yes
- View description: Canal
- Has water view: Yes
- Water view: Canal
- Waterfront features: Canal Front, Waterfront, Seawall: Concrete
Lot
- Size: 3,920 sqft
- Features: Less Than 1/4 Acre
Details
- Parcel number: 00076320000100
- Zoning: R-2A
- Zoning description: Key Colony Two Family
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Conch
- Property subtype: Half Duplex, Multi Family
- Attached to another structure: Yes
Materials
- CBS
- Roof: Tar/Gravel
Condition
- Year built: 1970
Utilities & green energy
- Sewer: Municipal Sewer, Public Sewer
- Utilities for property: FKAA, Buyer to Verify, Cable Connected
Community & neighborhood
Security
- Security features: Smoke Detector(s), Patrolled Area
Community
- Community features: Tennis Court(s), Bike Paths
Location
- Region: Key Colony Beach
- Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
HOA & financial
HOA
- Has HOA: No
- Services included: None
Other
Other facts
- Listing terms: No Seller Finance
Price history
| Date | Event | Price |
|---|---|---|
| 11/14/2025 | Sold | $625,000-3.7%$706/sqft |
Source:  FLKMLS #614159 Report a problem | ||
| 10/10/2025 | Contingent | $649,000$733/sqft |
Source: FLKMLS #614159 Report a problem | ||
| 9/26/2025 | Price change | $649,000-7.2%$733/sqft |
Source:  Key West AOR #614159 Report a problem | ||
| 5/7/2025 | Price change | $699,000-3.6%$790/sqft |
Source: FLKMLS #614159 Report a problem | ||
| 3/13/2025 | Listed for sale | $725,000+11.7%$819/sqft |
Source: Key West AOR #614159 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,270 +4.3% | $585,001 +10% |
| 2024 | $6,013 +6.5% | $531,819 +10% |
| 2023 | $5,648 +13.2% | $483,472 +10% |
Find assessor info on the county website
Neighborhood: 33051
Nearby schools
GreatSchools rating
- 4/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.5 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.6 mi
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- Florida
- Monroe County
- Key Colony Beach
- 33051
- 421 10th St
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