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.
Sold for $2,237,500
Street View
$2,237,500
520 12th St, Key Colony Beach, FL 33051
3beds
1,584sqft
Single Family Residence
Built in 1985
8,276.4 Square Feet Lot
$2,237,200 Zestimate®
$1,413/sqft
$5,631 Estimated rent
Home value
$2,237,200
$2.04M - $2.46M
$5,631/mo
Zestimate® history
Loading...
Owner options
List your home for rent
$5,631/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
Learn more$5,631/mo
Rent Zestimate®
Refinance and save
$13,455/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
See today's rates$13,455/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Zillow last checked: 7 hours ago
Listing updated: April 20, 2026 at 05:08am
Listed by:
Brenner Scheel Casey 305-783-3395,
Florida Keys Real Estate Group
Bought with:
Ally Kelley, SL3352184
Ocean Sotheby's International Realty
Source: FLKMLS,MLS#: 618093
Originating MLS: Marathon/Lower Keys
Originating MLS: Marathon/Lower KeysFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Washer, Disposal, Microwave, Range, Refrigerator, Dishwasher, Dryer
Features
- Built-in Cabinets, Quartz Countertops, Bar, Storage
- Flooring: Tile, Laminate
- Doors: Impact Rstnce Doors
- Windows: Window Treatments, Other Windows/Doors, Impact Rstnce Window
Interior area
- Total interior livable area: 1,584 sqft
Property
Parking
- Parking features: Garage, Covered
- Has garage: Yes
Features
- Patio & porch: Open Porch/Balcony, Patio
- Exterior features: Bar, Water Display, Storage, Outdoor Shower, Lighting
- Has private pool: Yes
- Pool features: In Ground, Fiberglass
- 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: 8,276 sqft
- Features: Less Than 1/4 Acre
Details
- Additional structures: Workshop
- Parcel number: 00077500000000
- Zoning: R-1A
- Zoning description: Key Colony Single Family
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS
- Roof: Metal
Condition
- Updated/Remodeled
- New construction: No
- Year built: 1985
Utilities & green energy
- Electric: Elect Separate Meter
- Sewer: Municipal Sewer, Public Sewer
- Utilities for property: FKAA, Buyer to Verify
Community & neighborhood
Security
- Security features: Security System, Other
Community
- Community features: Tennis Court(s), Other, Fire Hydrant
Location
- Region: Key Colony Beach
- Subdivision: Key Colony Bch 2nd Addn (53.5)
HOA & financial
HOA
- Has HOA: No
- Services included: None
Other
Other facts
- Listing terms: Seller Finance Psble,Conventional,Cash
Price history
| Date | Event | Price |
|---|---|---|
| 4/20/2026 | Sold | $2,237,500-4.8%$1,413/sqft |
Source:  FLKMLS #618093 Report a problem | ||
| 4/1/2026 | Contingent | $2,350,000$1,484/sqft |
Source:  MLKAR #618093 Report a problem | ||
| 2/16/2026 | Price change | $2,350,000-5.8%$1,484/sqft |
Source:  Key West AOR #618093 Report a problem | ||
| 2/2/2026 | Price change | $2,495,000-3.1%$1,575/sqft |
Source: FLKMLS #618093 Report a problem | ||
| 1/22/2026 | Price change | $2,575,000-3.7%$1,626/sqft |
Source: FLKMLS #618093 Report a problem | ||
| 1/13/2026 | Listed for sale | $2,675,000+57.4%$1,689/sqft |
Source: FLKMLS #618093 Report a problem | ||
| 12/18/2024 | Sold | $1,700,000-3.7%$1,073/sqft |
Source: Public Record Report a problem | ||
| 12/10/2024 | Pending sale | $1,764,999$1,114/sqft |
Source: FLKMLS #612403 Report a problem | ||
| 11/30/2024 | Contingent | $1,764,999$1,114/sqft |
Source: FLKMLS #612403 Report a problem | ||
| 11/25/2024 | Listed for sale | $1,764,999+355.5%$1,114/sqft |
Source: MLKAR #612403 Report a problem | ||
| 6/29/1999 | Sold | $387,500$245/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $14,635 +139.2% | $1,518,899 +142.4% |
| 2024 | $6,119 +3.4% | $626,494 +3% |
| 2023 | $5,918 +3.1% | $608,247 +3% |
| 2022 | $5,739 -0.8% | $590,532 +3% |
| 2021 | $5,785 +4.7% | $573,333 +1.4% |
| 2020 | $5,523 | $565,418 +2.3% |
| 2019 | $5,523 +2.2% | $552,706 +1.9% |
| 2018 | $5,402 +5.7% | $542,401 +2.1% |
| 2017 | $5,109 +4.5% | $531,245 +2.1% |
| 2016 | $4,889 -1.9% | $520,319 +0.7% |
| 2015 | $4,981 | $516,702 |
Find assessor info on the county website
Neighborhood: 33051
Nearby schools
GreatSchools rating
- 4/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.4 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.5 mi
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$2,237,200
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$2,237,200
- Florida
- Monroe County
- Key Colony Beach
- 33051
- 520 12th St
Nearby cities
Nearby zip codes
Other Key Colony Beach Topics
- Apartments for Rent in 33051
- Houses for Sale in 33051
- Houses for Rent in 33051
- 33051 Real Estate
- Key Colony Beach Condos
- Houses for Sale in Key Colony Beach
- Newest Listings in Key Colony Beach
- Key Colony Beach Home Values
- Key Colony Beach Real Estate Agents
- Key Colony Beach Refinance
- Key Colony Beach Mortgage Rates