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
Built in 1970
3,920 Square Feet Lot
$632,900 Zestimate®
$706/sqft
$3,806 Estimated rent
Home value
$632,900
$551,000 - $728,000
$3,806/mo
Zestimate® history
Owner options
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$3,806/mo
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$3,806/mo
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$3,817/mo
Est. payment
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$3,817/mo
Est. payment
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List your homeWhat's special
Wide canalComfortable and functional layout
Zillow last checked:
Listing updated:
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
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Has Heating (Unspecified Type)
Cooling
- Central Air
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave
Features
- Flooring: Tile
Interior area
- Total structure area: 885
- Total interior livable area: 885 sqft
Property
Parking
- Parking features: Open
- Has uncovered spaces: Yes
Features
- On waterfront: Yes
Lot
- Size: 3,920 Square Feet
Details
- Parcel number: 00076320000100
- Zoning: R-2A - Key Colony Two Family
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Conch
- Property subtype: Half Duplex
Materials
- CBS
Condition
- Year built: 1970
Community & HOA
Community
- Features: Bike Paths
- Security: Security Guard
- Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Key Colony Beach
Financial & listing details
- Price per square foot: $706/sqft
- Tax assessed value: $662,904
- Annual tax amount: $6,012
- Date on market: 3/13/2025
- 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 | ||
| 6/15/2022 | Listing removed | -- |
Source: Owner Report a problem | ||
| 1/8/2022 | Pending sale | $649,000$733/sqft |
Source: Owner Report a problem | ||
| 11/20/2021 | Listed for sale | $649,000+188.4%$733/sqft |
Source: Owner Report a problem | ||
| 9/14/2010 | Sold | $225,000-41.6%$254/sqft |
Source: Public Record Report a problem | ||
| 4/8/2010 | Price change | $385,000-9.4%$435/sqft |
Source: American Caribbean Real Estate #548562 Report a problem | ||
| 11/27/2009 | Listed for sale | $425,000-27.4%$480/sqft |
Source: American Caribbean Real Estate #548562 Report a problem | ||
| 3/24/2005 | Sold | $585,000+11.4%$661/sqft |
Source: Public Record Report a problem | ||
| 6/22/2004 | Sold | $525,000+110.8%$593/sqft |
Source: Public Record Report a problem | ||
| 6/22/2000 | Sold | $249,000$281/sqft |
Source: Public Record 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% |
| 2022 | $4,992 +11.6% | $439,520 +10% |
| 2021 | $4,471 +8.1% | $399,564 +5.2% |
| 2020 | $4,136 | $379,820 -0.5% |
| 2019 | $4,136 -0.4% | $381,629 +0.4% |
| 2018 | $4,153 +4.7% | $380,150 0% |
| 2017 | $3,967 +7.8% | $380,267 +1.6% |
| 2016 | $3,679 +1.8% | $374,318 +11.6% |
| 2015 | $3,615 | $335,327 |
Find assessor info on the county website
Neighborhood: 33051
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Nearby schools
GreatSchools rating
- 5/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.5 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.6 mi
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Estimated market value
$632,900
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Estimated market value
$632,900
- Florida
- Monroe County
- Key Colony Beach
- 33051
- 421 10th St
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