520 12Th Street, Key Colony, FL 33051 (MLS# 618093)

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

Overview

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 ... (Read more)

Listing Details MLS# 618093

Location, Tax & Legal

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
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

Contract Information

Listing Board: Marathon/Lower Keys
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Species List: No

General Property Description

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

Status Change Info

Sold Date: 2026-04-20
Sold Comments: $112,500 for Furnishings

Association Info

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

Dockage

Dock Length: 75
Dock: Concrete

More Information

Building Style

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

Financial Status

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

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.

Fee Includes

None: Yes

Tax Exemptions

None: Yes

Appliances

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

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes

Waterfront

Canal Front: Yes

Waterview

Canal View: Yes

Floor

Laminate: Yes
Tile: Yes

Neighborhood Feature

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

Interior Features

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

Property Condition

Updated/Remodeled: Yes

Specialty Rooms

Workshop: Yes

Windows/Doors

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

Vehicle Storage

Covered Parking: Yes
Garage: Yes

Security

Other: Yes

Construction

CBS: Yes

Land Size

Less Than 1/4 Acre: Yes

Furnished

Negotiable: Yes

Terms

Cash: Yes
Conventional: Yes
Seller Finance Psble: Yes

Utilities

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

Porch/Balcony

Open Porch/Balcony: Yes
Patio: Yes

Title

Negotiable: Yes

Exterior Features

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

Pool Info

In Ground: Yes
Fiberglass: Yes

Roof

Metal Roof: 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.