This east-facing, stilted 1/2 duplex is now available. The home features soaring ceilings and an open floor plan that extends onto a roomy balcony overlooking the lower patio and a 37.5-foot dock.
The interior includes a granite and stainless kitchen, two bedrooms, two baths, and terracotta flooring throughout. Located in a prime location on Key Colony Beach, this property is just a few minutes from the ocean or gulf. This home will making a perfect second home or vacation rental.
Sold for $1,000,000
$1,000,000
580 9th St, Key Colony Beach, FL 33051
2beds
1,269sqft
Half Duplex
Built in 1988
3,920 Square Feet Lot
$1,003,800 Zestimate®
$788/sqft
$4,560 Estimated rent
Home value
$1,003,800
$873,000 - $1.16M
$4,560/mo
Zestimate® history
Owner options
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$6,107/mo
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List your homeWhat's special
Two bedroomsTwo bathsOpen floor planSoaring ceilingsGranite and stainless kitchenTerracotta flooring throughout
Zillow last checked:
Listing updated:
Listed by:
Steve M Smith, P.A. 305-849-1196,
Key Colony Beach Realty
Bought with:
Steve M Smith, P.A., 541095
Key Colony Beach Realty
Source: FLKMLS,MLS#: 617814
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Has Heating (Unspecified Type)
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave
- Laundry: Laundry Room
Features
- Granite Counters, Dade County Pine, Walk-in Closet(s), Bar
- Flooring: Tile
Interior area
- Total structure area: 1,269
- Total interior livable area: 1,269 sqft
Property
Features
- Patio & porch: Open Porch/Balcony, Deck
- Exterior features: Storage
- On waterfront: Yes
Lot
- Size: 3,920 Square Feet
- Dimensions: 37 X 110
Details
- Parcel number: 00075200000000
- Zoning: R-2A - Key Colony Two Family
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Half Duplex
Materials
- CBS
Condition
- Year built: 1988
Utilities & green energy
- Utilities for property: Elect Separate Meter, Cable Available
Community & HOA
Community
- 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: $788/sqft
- Tax assessed value: $869,877
- Annual tax amount: $8,155
- Date on market: 5/7/2026
- Listing terms: Cash,Conventional
Price history
| Date | Event | Price |
|---|---|---|
| 6/3/2026 | Sold | $1,000,000-2.4%$788/sqft |
Source:  FLKMLS #617814 Report a problem | ||
| 5/11/2026 | Pending sale | $1,025,000$808/sqft |
Source: FLKMLS #617814 Report a problem | ||
| 5/8/2026 | Contingent | $1,025,000$808/sqft |
Source:  Key West AOR #617814 Report a problem | ||
| 5/7/2026 | Listed for sale | $1,025,000$808/sqft |
Source: FLKMLS #617814 Report a problem | ||
| 4/28/2026 | Contingent | $1,025,000$808/sqft |
Source: FLKMLS #617814 Report a problem | ||
| 4/6/2026 | Listed for sale | $1,025,000$808/sqft |
Source:  MLKAR #617814 Report a problem | ||
| 4/3/2026 | Contingent | $1,025,000$808/sqft |
Source: FLKMLS #617814 Report a problem | ||
| 4/3/2026 | Pending sale | $1,025,000$808/sqft |
Source: FLKMLS #617814 Report a problem | ||
| 4/2/2026 | Price change | $1,025,000-18%$808/sqft |
Source: MLKAR #617814 Report a problem | ||
| 12/23/2025 | Listed for sale | $1,250,000+93.8%$985/sqft |
Source: FLKMLS #617814 Report a problem | ||
| 4/26/2016 | Sold | $645,000-7.2%$508/sqft |
Source: Public Record Report a problem | ||
| 11/15/2015 | Listed for sale | $695,000+127.9%$548/sqft |
Source: American Caribbean Real Estate - Mid & Lower #568770 Report a problem | ||
| 5/21/1999 | Sold | $305,000+19.6%$240/sqft |
Source: Public Record Report a problem | ||
| 8/28/1996 | Sold | $255,000$201/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,155 +3.2% | $788,842 +10% |
| 2024 | $7,902 +7.7% | $717,129 +10% |
| 2023 | $7,340 +12.9% | $651,935 +10% |
| 2022 | $6,501 +10.9% | $592,668 +10% |
| 2021 | $5,862 +11% | $538,789 +8% |
| 2020 | $5,282 | $498,683 -2.4% |
| 2019 | $5,282 -2.2% | $510,981 -0.9% |
| 2018 | $5,403 +3% | $515,753 -0.7% |
| 2017 | $5,246 +1.8% | $519,290 +27.6% |
| 2016 | $5,154 +36.6% | $406,884 +0.7% |
| 2015 | $3,772 | $404,056 |
Find assessor info on the county website
Neighborhood: 33051
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Nearby schools
GreatSchools rating
- 5/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.6 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.8 mi
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Estimated market value
$1,003,800
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Estimated market value
$1,003,800
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