520 12Th Street, Key Colony, FL 33051

$2,237,500

Property Type: Residential Bedrooms: 3 Baths: 2 Square Footage: 1,584 Lot Size (sq. ft.): 8,250 Status: Closed

Current Price: $2,237,500 List Date: 1/13/2026 Last Modified: 4/20/2026

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.

More Information MLS# 618093

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Potential Short Sale: No Bank Owned: No Species List: No Current Price: $2,237,500 Listing Date: 2026-01-13 Sold Price: $2,237,500

Location, Tax & Legal

City: KEY COLONY Mile Marker: 53.5 Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca) Side: Ocean Flood Zone: AE Alternate Key #: 1083232 Parcel #: 00077500-000000 Zoning: R-1A - Key Colony Single Family Deed Restrictions: Unknown Legal: BK 12 N 62.5 FT LT 55 AND S 12.5 FT LT 54 KEY COLONY BEACH SECOND ADDN SHELTER KEY Taxes: 14634.65 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 520 Street Name: 12Th Street Suffix: Street Key/Island: Key Colony State/Province: FL Zip Code: 33051 County: Monroe Subdivision: Key Colony Bch 2nd Addn (53.5) Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 4 Lot SqFt: 8250 Pool: Yes Total Units: 0 Acres: 0.19 SqFt Source: Property Data Card Rentals Allowed: Yes Min Rental Days: 7 Style: Single Family Year Built: 1985 Living Apx SqFt: 1584 Total Bedrooms: 3 Full Baths: 2 Total Baths: 2

Remarks & Misc

Remarks – Consumer: 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. 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.

Status Change Info

Sold Comments: $112,500 for Furnishings Under Contract Date: 2026-03-30 Sold Date: 2026-04-20 Sold Price: $2,237,500 Status: Closed

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No Association Fee $: 0

Fee Includes

None: 1

Dockage

Dock Length: 75 Dock: Concrete

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Microwave: 1 Range: 1 Refrigerator: 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1

Waterfront

Canal Front: 1

Waterview

Canal View: 1

Floor

Laminate: 1 Tile: 1

Neighborhood Feature

Fire Hydrant: 1 Tennis Courts: 1 Other Area Features: 1

Interior Features

Bar: 1 Built-in Cabinets: 1 Quartz Countertops: 1 Security System: 1 Storage: 1 Window Treatments: 1

Property Condition

Updated/Remodeled: 1

Specialty Rooms

Workshop: 1

Building Style

Above Flood: Yes Stilt Column Height: Medium - 5Ft - 9Ft

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1 Other Windows/Doors: 1

Vehicle Storage

Covered Parking: 1 Garage: 1

Security

Other: 1

Construction

CBS: 1

Land Size

Less Than 1/4 Acre: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1 Seller Finance Psble: 1

Utilities

Buyer to Verify: 1 Elect Separate Meter: 1 FKAA: 1 Municipal Sewer: 1

Porch/Balcony

Open Porch/Balcony: 1 Patio: 1

Title

Negotiable: 1

Exterior Features

Bar: 1 Lighting: 1 Outdoor Shower: 1 Storage: 1 Water Display: 1

Pool Info

In Ground: 1 Fiberglass: 1

Roof

Metal Roof: 1

Financial Status

Auction: No Bank Owned: No Potential Short Sale: No Standard Sale: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Property Condition: Updated/Remodeled Vehicle Storage: Garage; Covered Parking Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Utilities: Buyer to Verify; Elect Separate Meter; FKAA; Municipal Sewer Interior Features: Bar; Built-in Cabinets; Quartz Countertops; Security System; Storage; Window Treatments Specialty Rooms: Workshop Appliances: Dishwasher; Disposal; Dryer; Microwave; Range; Refrigerator; Washer Exterior Features: Bar; Lighting; Outdoor Shower; Storage; Water Display Pool Info: In Ground; Fiberglass Construction: CBS Floor: Laminate; Tile Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Fire Hydrant; Tennis Courts; Other Area Features Security: Other Land Size: Less Than 1/4 Acre Terms: Cash; Conventional; Seller Finance Psble Title: Negotiable

Listing Office: Florida Keys Real Estate Group

Last Updated: April - 20 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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