360 12th Street, Key Colony, FL 33051

New Listing
$4,400,000
Property Type: Residential Bedrooms: 5 Baths: 6 Square Footage: 3,578 Lot Size (sq. ft.): 18,438 Status: Active
Current Price: $4,400,000 List Date: 12/12/2025 Last Modified: 12/12/2025

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

Supplements: 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 home sits on 165 feet of waterfront with two boat lifts, one rated for 24,000 pounds and the other for 15,000 pounds, providing exceptional flexibility for a range of vessels. Quick access to both the ocean and the Gulf makes this an ideal choice for avid boaters and anglers. The completely remodeled heated saltwater pool is surrounded by expansive patio areas, both covered and open, creating multiple spaces for entertaining, relaxing, or enjoying the tropical Keys lifestyle year-round. The home's orientation further enhances its appeal, offering beautiful morning light and shaded afternoons when returning from the water. Located within the highly sought-after and walkable community of Key Colony Beach, the home is surrounded by amenities including pickleball and tennis courts, a par-3 golf course, multiple parks, and a true neighborhood atmosphere rarely found in the Keys.

More Information MLS# 617684

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: $4,400,000 Listing Date: 2025-12-03 List Price: $4,400,000

Location, Tax & Legal

City: KEY COLONY Off Shore Island: No Mile Marker: 53.5 Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca) Side: Ocean Flood Zone: AE Alternate Key #: 1083313 Parcel #: 00077580-000000 Zoning: R-1A - Key Colony Single Family Deed Restrictions: No Legal: 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 Taxes: 19336.43 Tax Year: 2024 Pub Sewer HkUp: Yes Street #: 360 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: 5 Lot SqFt: 18438 Pool: Yes Lot Sqft Source: Property Data Card Total Units: 0 Acres: 0.42 SqFt Source: Property Data Card Rentals Allowed: With Restrictions Min Rental Days: 7 Style: Single Family Year Built: 1977 Living Apx SqFt: 3578 Total Bedrooms: 5 Full Baths: 5 Half Baths: 1 Total Baths: 6

Remarks & Misc

Remarks – Consumer: 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

Association Info

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

Fee Includes

None: 1

Dockage

Dock Length: 165 Dock: Concrete Boat Lift: 1

Tax Exemptions

None: 1

Appliances

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

Pets

Other See Remarks: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1

Waterfront

Canal Front: 1

Waterview

Canal View: 1

Neighborhood Feature

Airstrip: 1 Beach: 1 Bike Paths: 1 Tennis Courts: 1

Interior Features

Pantry: 1 Split Bedroom: 1 Storage: 1 Walk-in Closet(s): 1 Wet Bar: 1

Property Condition

Updated/Remodeled: 1

Building Style

Above Flood: Unknown Stories: 2 Stories

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Garage: 1 Off Street Parking: 1 Trailer Storage: 1

Security

Patrolled Area: 1

Construction

Combo Construction: 1

Land Size

More than 1 Lot: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1

Utilities

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

Porch/Balcony

Open Porch/Balcony: 1

Title

Negotiable: 1

Exterior Features

Bar: 1 Fencing: 1 Lighting: 1 Outdoor Kitchen: 1 Storage: 1

Pool Info

In Ground: 1 Heated: Yes Concrete: 1

Roof

Metal Roof: 1

Financial Status

Bank Owned: No Potential Short Sale: No

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Dockage: Boat Lift Property Condition: Updated/Remodeled Vehicle Storage: Garage; Off Street Parking; Trailer Storage Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Utilities: Buyer to Verify; Elect Separate Meter; FKAA Interior Features: Pantry; Split Bedroom; Storage; Walk-in Closet(s); Wet Bar Appliances: Dishwasher; Dryer; Microwave; Oven; Range; Refrigerator; Washer Exterior Features: Bar; Fencing; Lighting; Outdoor Kitchen; Storage Pool Info: In Ground; Concrete Construction: Combo Construction Roof: Metal Roof Pets: Other See Remarks Neighborhood Feature: Airstrip; Beach; Bike Paths; Tennis Courts Security: Patrolled Area Land Size: More than 1 Lot Terms: Cash; Conventional Title: Negotiable
Listing Office: Coldwell Banker Schmitt Real Estate Co.
Last Updated: December - 12 - 2025
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