For sale
$3,650,000
7beds
4,478sqft
580 & 590 10th St, Key Colony Beach, FL 33051
7beds
4,478sqft
Duplex, multi family
Built in 1985
Garage
$815 price/sqft
What's special
Two-car garageCovered poolside lanaiHeated poolCanal-front opportunityAmple off-street parkingRefreshed curb appealWet bar
Exceptional canal-front opportunity with proven income potential. This expansive 7-bedroom, 7-bath residence offers outstanding flexibility as a legal duplex with an interior lockout, allowing it to function seamlessly as a large single-family home or as two separate living spaces. The configuration includes a generous 5BR/4BA main residence paired with a private ...
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Source: FLKMLS,MLS#: 617788
Originating MLS: Marathon/Lower Keys
Originating MLS: Marathon/Lower KeysTravel times
Living Room
Kitchen
Dining Room
Zillow last checked: 8 hours ago
Listing updated: December 22, 2025 at 01:49am
Listed by:
Nate Bartlett 305-800-6283,
Berkshire Hathaway HomeServices Keys Real Estate
Source: FLKMLS,MLS#: 617788Originating MLS: Marathon/Lower Keys
Originating MLS: Marathon/Lower KeysFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 7
- Bathrooms: 7
- Full bathrooms: 7
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Washer, Stainless Steel Appliance(s), Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
- Laundry: Laundry Room
Features
- Built-in Cabinets, Granite Counters, Entrance Foyer, Wet Bar
- Flooring: Tile, Carpet
- Doors: Impact Rstnce Doors
- Windows: Drapes/Blinds Incl, Window Treatments, Impact Rstnce Window
Interior area
- Total interior livable area: 4,478 sqft
Property
Parking
- Parking features: Garage, Off Street, Guest
- Has garage: Yes
Accessibility
- Accessibility features: No
Features
- Levels: Two
- Stories: 2
- Patio & porch: Lanai, Open Porch/Balcony, Patio
- Exterior features: Storage, Outdoor Shower, Lighting
- Has private pool: Yes
- Pool features: Heated, In Ground
- Has spa: Yes
- Spa features: Private
- Fencing: Fenced
- Has view: Yes
- View description: Canal
- Has water view: Yes
- Water view: Canal
- Waterfront features: Canal Front, Waterfront, Dock: Concrete, Dock Length: 75
Lot
- Size: 8,250 Square Feet
- Features: Less Than 1/4 Acre
Details
- Parcel number: 00075930000000
- Zoning: R-2A
- Zoning description: Key Colony Two Family
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Duplex, Multi Family
- Attached to another structure: Yes
Materials
- CBS
- Roof: Metal
Condition
- Year built: 1985
Utilities & green energy
- Electric: Elect Separate Meter
- Sewer: Municipal Sewer, Public Sewer
- Utilities for property: FKAA, Buyer to Verify
Community & HOA
Community
- Features: Tennis Court(s), Bike Paths, Beach
- Security: Smoke Detector(s), Patrolled Area
- 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: $815/sqft
- Annual tax amount: $19,308
- Date on market: 12/22/2025
Price history
| Date | Event | Price |
|---|---|---|
| 12/22/2025 | Listed for sale | $3,650,000-8.3%$815/sqft |
Source:  MLKAR #617788 | ||
| 9/1/2024 | Listing removed | $3,980,000$889/sqft |
Source: MLKAR #609274 | ||
| 3/20/2024 | Listed for sale | $3,980,000+328%$889/sqft |
Source:  FLKMLS #609274 | ||
| 5/27/2014 | Sold | $930,000$208/sqft |
Source: FLKMLS #560109 | ||
Public tax history
Tax history is unavailable.
BuyAbility℠ payment
Est. payment
$22,029/mo
Principal & interest
$18257
Property taxes
$2494
Home insurance
$1278
Climate risks
Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.
Nearby schools
GreatSchools rating
- 4/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.5 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.6 mi