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$3,995,000 Contingent
Property Description
A Truly Rare Waterfront Estate in Key Colony Beach - Privacy, Scale, and Turnkey Perfection Perfectly centered on two full lots, this exceptional Key Colony Beach residence offers a rare level of privacy and space paired with 165 feet of deep-water canal frontage & premier boating access. Fully renovated in 2024, the two-story home is thoughtfully designed for entertaining, guest comfort & everyday coastal living. The first floor serves as a private guest and recreation level, featuring a large bedroom & a spacious nearby full bathroom with double vanities & a separate shower and toilet room. A comfortable TV and lounge area is complemented by a bar, refrigerator, & game table, creating an ideal space for relaxing or hosting guests. This level also includes a one-car garage, a dedicated half-garage for bikes and gear, air-conditioned storage ideal for dive or fishing equipment, & a rare full-length pass-through garage connecting the front of the home directly to the waterfront, with a golf-cart-sized rear garage door providing seamless dock access. The second floor is the main living level & showcases an expansive open-concept kitchen, great room, and oversized dining area with seating for twelve. Filled with natural light, the space is equally suited for large gatherings or relaxed everyday living. The chef's kitchen features premium cabinetry, high-end appliances, and a generous island. Four additional bedrooms are located on this level each with its own en-suite bathroom. The primary suite includes a private balcony, walk-in closet, double vanity, private water closet, and spa-style shower, with a generously sized laundry room also located on this level. Outdoor living defines the property, with two boat lifts rated for 24K & 15K pounds, quick access to both the ocean and Gulf, and a completely remodeled heated saltwater pool surrounded by expansive covered and open patio areas. The east-facing rear exposure offers beautiful morning light & shaded afternoons A Truly Rare Waterfront Estate in Key Colony Beach Privacy, Scale, and Turnkey Perfection This exceptional Key Colony Beach residence is perfectly centered on two full lots, offering an extraordinary level of privacy and space paired with 165 feet of deep-water canal frontage and premier boating access. Fully renovated in 2024, the two-story home is thoughtfully designed to balance entertaining, guest comfort, and everyday coastal living. The first floor functions as a private guest and recreation level, featuring a large bedroom and a spacious nearby full bathroom with double vanities and a separate shower and toilet room. A comfortable TV and lounge area is complemented by a bar, refrigerator, and game table, creating an ideal space for relaxing or hosting guests. The ground level also includes a one-car garage, an additional half-garage dedicated to bikes and gear, and air-conditioned storage ideal for dive equipment or fishing gear. A rare full-length pass-through garage connects the front of the home directly to the waterfront, with a golf-cart-sized rear garage door providing seamless dock accessan exceptional feature for serious anglers and boaters. The second floor serves as the main living level and showcases an expansive open-concept kitchen, great room, and oversized dining area with seating for twelve. Designed for both functionality and flow, the space is filled with natural light and is equally suited for large gatherings or relaxed everyday living. The chef's kitchen features premium cabinetry, high-end appliances, and a generous island. Four additional bedrooms are located on this level, each with its own en-suite bathroom, offering privacy and comfort for family and guests. The primary suite is a true retreat, featuring a private balcony, walk-in closet, double vanity, private water closet, and spa-style shower. A generously sized laundry room is also conveniently located on this level. Outdoor living is a defining feature of the property. The ho
Full Property Details
Full Property Details for 360 12th St
General
- Price: $3,995,000
- Taxes: $19,336 (2024)
- Status: Contingent
- Type: Single Family
- Source: 927
- MLS ID: 617684
- Updated: 5/13/2026
- Added to Site: 161 day(s) ago
Interior
- Interior Features: Walk-in Closet(s), Pantry, Split Bedroom, Storage, Wet Bar
- Appliances: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Washer
Rooms
Bathrooms
- Total Bathrooms: 6
- Full Bathrooms: 5
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 5
Additional Information
- Shared Amenities: Bike Paths, Beach, Tennis Court(s), Airport/Runway
- Pool: Yes
- Pool Description: Concrete, Heated, In Ground
- Security/Safety: Patrolled Area
Exterior
- Exterior Features: Lighting, Bar, Fencing, Outdoor Kitchen, Storage
- Deck/Patio: Open Porch/Balcony
- Porch/Patio/Deck: Open Porch/Balcony
Parking
- Garage: Yes
- Parking Features: Off Street
Location
- Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony
- County: Monroe
- Subdivision: Key Colony Bch 2nd Addn (53.5)
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: Combo Construction
- Roof: Metal
- Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
- Square Feet: 3,578
- Sq. Ft. Source: Property Data Card
- Year Built: 1977
- Property Condition: Updated/Remodeled
Lot Features
- Property View: Canal
- Lot Size (Acres): 0.42
- Lot Size (Sq. Ft.): 18,438
- Lot Size Source: Property Data Card
- Zoning: R-1A - Key Colony Single Family
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Canal Front
Financial Considerations
- Tax Amount: $19,336.43
- Tax Year: 2024
- Terms: Cash, Conventional
Disclosures and Reports
- Legal Description: KEY COLONY BEACH SECOND ADDN SHELTER KEY PB4-94 S 62.5' LOT 62 & LOT 63 & N 25' LOT 64 BK 12 OR186-480 OR389-12 OR412-1
- Flood Zone: AE
- APN: 00077580-000000
Listed by Coldwell Banker Schmitt Real Estate Co., Jessica Borraccino (305) 619-2648
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Schools
Schools serving 360 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 360 12th St
Date
Details
Price
Change
Source
12/03/2025
Listed
$3,995,000
—
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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Estimate the Cost for 360 12th St
360 12th Street, Key Colony Beach, FL 33051 (MLS# 617684) is a Single Family property with 5 bedrooms, 5 full bathrooms and 1 partial bathroom. 360 12th Street is currently listed for $3,995,000 and was received on December 03, 2025. Want to learn more about 360 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.
