Welcome to waterfront living in Key Colony! From the decorative gated entry and covered front patio, this beautifully maintained 2-bedroom, 2-bath half duplex offers 1,328 square feet of comfortable indoor-outdoor living.
Inside, the light-filled interior features marble flooring, a spacious living area overlooking the water, and an updated kitchen with white cabinetry, granite countertops, stainless steel appliances, and a generous center island.
Step outside to a private, fenced brick-paver patio surrounded by tropical landscaping--the perfect setting for morning coffee, outdoor dining, or relaxing by the canal. Boaters will appreciate the 37.5-foot dock and convenient access to the best of the Florida Keys lifestyle.
Major updates include a new metal roof and new air-conditioning system, both installed in 2023. Additional features include ample outdoor storage and an interior laundry area.
This property also offers an established history as a successful vacation rental, making it an excellent opportunity for buyers seeking a full-time residence, seasonal getaway, or income-producing waterfront retreat in desirable Key Colony Beach.
For sale
Price cut: $50K (8/21)
$1,049,000
490 10th St, Key Colony Beach, FL 33051
2beds
1,328sqft
Half Duplex
Built in 1970
3,920 Square Feet Lot
$-- Zestimate®
$790/sqft
$-- HOA
What's special
Generous center islandGranite countertopsInterior laundry areaCovered front patioLight-filled interiorMarble flooringDecorative gated entry
- 59 days
- 188
- 6
Zillow last checked:
Listing updated:
Listed by:
Samuel Davis Williams 305-289-6559,
Coldwell Banker Schmitt Real Estate Co.
Source: FLKMLS,MLS#: 620777
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
- Flooring: Tile
- Furnished: Yes
Interior area
- Total structure area: 1,328
- Total interior livable area: 1,328 sqft
Video & virtual tour
Property
Features
- Levels: Ground Level
- Patio & porch: Patio
- Exterior features: Storage
- Has spa: Yes
- Spa features: Heated
- Fencing: Privacy
- On waterfront: Yes
Lot
- Size: 3,920 Square Feet
Details
- Parcel number: 00075980000100
- Zoning: R-2A - Key Colony Two Family
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Half Duplex
Materials
- CBS
Condition
- Year built: 1970
Utilities & green energy
- Utilities for property: Elect Separate Meter
Community & HOA
Community
- Features: Beach, Bike Paths
- 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: $790/sqft
- Tax assessed value: $718,821
- Annual tax amount: $7,101
- Date on market: 7/29/2026
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 8/21/2026 | Price change | $1,049,000-4.5%$790/sqft |
Source:  FLKMLS #620777 Report a problem | ||
| 7/29/2026 | Listed for sale | $1,099,000+168%$828/sqft |
Source: FLKMLS #620777 Report a problem | ||
| 5/8/2012 | Sold | $410,000-15.3%$309/sqft |
Source: FLKMLS #555374 Report a problem | ||
| 1/27/2012 | Price change | $484,000-3%$364/sqft |
Source: American Caribbean Real Estate #555374 Report a problem | ||
| 12/6/2011 | Price change | $499,000-7.4%$376/sqft |
Source: American Caribbean Real Estate #555374 Report a problem | ||
| 9/16/2011 | Price change | $539,000-6.3%$406/sqft |
Source: American Caribbean Real Estate #555374 Report a problem | ||
| 8/11/2011 | Price change | $575,000-2.4%$433/sqft |
Source: American Caribbean Real Estate #555374 Report a problem | ||
| 7/6/2011 | Listed for sale | $589,000+140.4%$444/sqft |
Source: AgentWebsite Inc. #555374 Report a problem | ||
| 5/7/2001 | Sold | $245,000-2%$184/sqft |
Source: Public Record Report a problem | ||
| 7/12/2000 | Sold | $250,000$188/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $7,101 +4.3% | $691,497 +10% |
| 2024 | $6,806 +6.3% | $628,634 +10% |
| 2023 | $6,406 +11.6% | $571,485 +10% |
| 2022 | $5,740 +10.4% | $519,532 +10% |
| 2021 | $5,198 +5.5% | $472,302 +2.3% |
| 2020 | $4,925 | $461,597 -0.5% |
| 2019 | $4,925 -0.5% | $464,076 -0.3% |
| 2018 | $4,950 +3.5% | $465,684 +3.6% |
| 2017 | $4,781 +5.7% | $449,620 +0.7% |
| 2016 | $4,523 -3% | $446,571 +10.6% |
| 2015 | $4,661 | $403,876 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 33051
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