Date
Details
Price
Change
Source
12/22/2025
Listed
$2,995,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/75
$2,995,000
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1/75
Property Description
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 2BR/2BA guest wing, topped off by a convenient pool bath located in the game room, making it ideal for multigenerational living, guests, or vacation rental use. The main living space welcomes you with a dramatic two-story entry, an open-concept great room, multiple dining areas, wet bar, and a well-appointed kitchen that flows to a waterside balcony. The lower-level unit features its own open living and kitchen area, providing privacy and versatility. Four bedrooms are ensuite, complemented by 2 primary suites overlooking the water. Recent upgrades include complete concrete spalling repairs and a fresh exterior repaint, adding peace of mind and refreshed curb appeal. Mediterranean-inspired design elements are carried throughout, along with impact windows and doors, multiple balconies, and inviting indoor-outdoor living spaces. Outside, enjoy a heated pool, spa, covered poolside lanai, and 75 feet of concrete dockage with quick boating access to both the Atlantic Ocean and the Gulf of America. Additional features include a two-car garage and ample off-street parking. This property has a strong, established vacation rental history and is currently an active rental.
Full Property Details
Full Property Details for 580 & 590 10th St
General
- Price: $2,995,000
- Taxes: $19,308 (2025)
- Status: Active
- Type: Duplex
- Source: 927
- MLS ID: 617788
- Updated: 5/13/2026
- Added to Site: 156 day(s) ago
Interior
- Interior Features: Entrance Foyer, Built-in Cabinets, Drapes/Blinds Incl, Granite Counter Top, Smoke Alarms, Wet Bar, Window Treatments
- Appliances: Stainless Steel Appliance(s), Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Washer
- Flooring: Tile, Carpet
Rooms
Bathrooms
- Total Bathrooms: 7
- Full Bathrooms: 7
Bedrooms
- Total Bedrooms: 7
Other Rooms
- Laundry: Laundry Room
Additional Information
- Shared Amenities: Bike Paths, Beach, Tennis Court(s)
- Pool: Yes
- Pool Description: Heated, In Ground
- Security/Safety: Patrolled Area
Exterior
- Exterior Features: Lighting, Fencing, Hot Tub, Lanai, Outdoor Shower, Storage
- Deck/Patio: Open Porch/Balcony, Patio
- Porch/Patio/Deck: Open Porch/Balcony, Patio
Parking
- Garage: Yes
- Parking Features: Guest, Off Street
Location
- Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
- County: Monroe
- Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
- Driving Directions: From HWY 1 travel down Sadowski Cswy, turn right on West Ocean, turn right on 10th St, house is on the right midway down 10th.
Community
- Assoc. Fees Include: None
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air, Ceiling Fans(s)
Structural Information
- Architectural Style: Above Flood
- Construction: CBS
- Roof: Metal
- Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
- Square Feet: 4,478
- Sq. Ft. Source: Property Data Card
- Year Built: 1985
Lot Features
- Property View: Canal
- Lot Size (Acres): 0.19
- Lot Size (Sq. Ft.): 8,250
- Lot Size Source: Tax Records
- Zoning: R-2A - Key Colony Two Family
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Canal Front
Financial Considerations
- Tax Amount: $19,308
- Tax Year: 2025
Disclosures and Reports
- Legal Description: BK10 LT 48 KEY COLONY BEACH FIRST ADDN AMENDED PLAT PB-4-11 SHELTER KEY OR341-309/10 OR566-245 OR722-402 OR1394-1921D/C
- Flood Zone: Zone AE EL 7
- APN: 00075930-000000
Listed by Berkshire Hathaway HomeServices Keys Real Estate, Nate Bartlett (305) 802-6283
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Listing agent
— 580 & 590 10th St —
Nate Bartlett
Berkshire Hathaway HomeServices Keys Real Estate
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 580 & 590 10th St
School District:Monroe County School District, Middle Torch Key, FL
| Name | Grades | Distance |
|---|---|---|
Stanley Switlik Elementary School 3400 Overseas Highway, Marathon, FL 33050 | PK-5 | 4.5 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 3.7 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 580 & 590 10th St
Estimate the Cost
Estimate the Cost for 580 & 590 10th St
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580 & 590 10th Street, Key Colony, FL 33051 (MLS# 617788) is a Duplex property with 7 bedrooms and 7 full bathrooms. 580 & 590 10th Street is currently listed for $2,995,000 and was received on December 22, 2025. Want to learn more about 580 & 590 10th Street? Do you have questions about finding other Duplex real estate for sale in Key Colony? You can browse all Key Colony real estate or contact a Coldwell Banker agent to request more information.