Date
Details
Price
Change
Source
4/20/2026
Sold
$2,237,500
—
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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Property Description
Welcome to an exceptional island retreat in the heart of Key Colony Beach. This beautifully elevated single-family residence embodies refined coastal luxury, offering 3 bedrooms and 2 bathrooms, bonus space with no detail overlooked. Thoughtfully renovated, the home features a new metal roof, impact-rated windows and doors, elegant LVT flooring, designer lighting, custom cabinetry, and exquisite Cambria quartz countertops throughout. Outdoors, the property transforms into a private resort. Lush tropical landscaping and ambient exterior lighting set the tone, while an outdoor shower, custom bar, and sparkling pool create the perfect setting for entertaining or unwinding in complete privacy. Boating enthusiasts will appreciate 75 feet of concrete dockage with a composite step-down system, seamlessly blending function with style. An expansive, titled upper deck offers a sophisticated space for gatherings, sunset cocktails, and elevated island living. Ideally positioned just moments from the iconic Sunset Park, this residence delivers a rare combination of luxury, lifestyle, and location. A truly turnkey opportunity to own a distinguished piece of paradise in Key Colony Beach. Schedule your private showing today.
Full Property Details
Full Property Details for 520 12th St
General
- Sold For: $2,237,500
- Taxes: $14,634 (2025)
- Status: Closed
- Type: Single Family
- Source: 927
- MLS ID: 618093
- Added to Site: 121 day(s) ago
Interior
- Interior Features: Workshop, Bar, Built-in Cabinets, Quartz Countertops, Security System, Storage, Window Treatments
- Appliances: Dishwasher, Disposal, Dryer, Microwave, Range, Refrigerator, Washer
- Flooring: Tile, Laminate
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 3
Additional Information
- Shared Amenities: Other Area Features, Fire Hydrant, Tennis Court(s)
- Pool: Yes
- Pool Description: In Ground, Fiberglass
- Security/Safety: Other
Exterior
- Exterior Features: Lighting, Bar, Outdoor Shower, Storage, Water Display
- Deck/Patio: Open Porch/Balcony, Patio
- Porch/Patio/Deck: Open Porch/Balcony, Patio
Parking
- Garage: Yes
- Parking Features: Covered
Location
- Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
- County: Monroe
- Subdivision: Key Colony Bch 2nd Addn (53.5)
- Driving Directions: Overseas Highway to the light at Key Colony. Turn into Key Colony, Take Sadowski Cswy, Turn Right on W Ocean Dr, Turn Right on 12th St.
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 Status: Updated/Remodeled
- Construction: CBS
- Roof: Metal
- Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window, Other Windows/Doors
- Square Feet: 1,584
- Sq. Ft. Source: Property Data Card
- Year Built: 1985
- Property Condition: Updated/Remodeled
Lot Features
- Property View: Canal
- Lot Size (Acres): 0.19
- Lot Size (Sq. Ft.): 8,250
- Zoning: R-1A - Key Colony Single Family
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Canal Front
Financial Considerations
- Tax Amount: $14,634.65
- Tax Year: 2025
Disclosures and Reports
- Legal Description: BK 12 N 62.5 FT LT 55 AND S 12.5 FT LT 54 KEY COLONY BEACH SECOND ADDN SHELTER KEY
- Flood Zone: AE
- APN: 00077500-000000
Listed by Florida Keys Real Estate Group, Brenner Scheel Casey (305) 783-3395
Sold by Ocean Sotheby's International, Ally Kelley
Listing agent
— 520 12th St —
Brenner Scheel Casey
Florida Keys Real Estate Group
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 520 12th 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 | 4.4 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 3.5 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 520 12th St
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- Single Family
- Active
- Updated 1 hour ago
- 3Beds
- 2Total Baths
- 1,800Sq. Ft.
- Single Family
- Active
- Updated 1 day ago
- 3Beds
- 2Total Baths
- 2,534Sq. Ft.
- Single Family
- Active
- Updated 9 hours ago
- 3Beds
- 3Total Baths
- 2,001Sq. Ft.
- Single Family
- Active
- Updated 1 day ago
- 3Beds
- 3Total Baths
- 1,720Sq. Ft.
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- Single Family
- Active
- Updated 2 days ago
- 2Beds
- 2Total Baths
- Single Family
- Active
- Updated 1 day ago
- 4Beds
- 3Total Baths
- 1,740Sq. Ft.
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- Single Family
- Active
- Updated 5 hours ago
- 3Beds
- 4Total Baths
- 2,540Sq. Ft.
- Single Family
- Active
- Updated 1 day ago
- 4Beds
- 3Total Baths
- 3,414Sq. Ft.
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- Single Family
- Closed
- Updated 13 hours ago
- 3Beds
- 3Total Baths
- 2,521Sq. Ft.
- Single Family
- Closed
- Updated 1 day ago
- 3Beds
- 3Total Baths
- 1,953Sq. Ft.
- Single Family
- Closed
- Updated 12 hours ago
- 4Beds
- 3Total Baths
- 2,532Sq. Ft.
- Single Family
- Closed
- Updated 1 hour ago
- 5Beds
- 4Total Baths
- 2,656Sq. Ft.
520 12th Street, Key Colony Beach, FL 33051 (MLS# 618093) is a Single Family property that was sold at $2,237,500 on April 20, 2026. Want to learn more about 520 12th Street? Do you have questions about finding other Single Family real estate for sale in Key Colony Beach? You can browse all Key Colony Beach real estate or contact a Coldwell Banker agent to request more information.