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Sold for $3,840,000
  • $3,840,000

    360 12th St, Marathon, FL 33051

    5beds
    3,578sqft
    Single Family Residence
    Built in 1977
    0.42 Acres Lot
    $3,840,200 Zestimate®
    $1,073/sqft
    $7,736 Estimated rent

    Home value

    $3,840,200

    $3.46M - $4.26M

    $7,736/mo

    Zestimate® history
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    What's special

    Waterfront estateOne-car garageGenerous islandLarge bedroomTwo full lotsGenerously sized laundry roomGreat room
    A Truly Rare Waterfront Estate in Key Colony Beach -- Privacy, Scale, and Turnkey PerfectionPerfectly 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

    Zillow last checked:

    Listing updated:

    Listed by:

    Jessica Borraccino 305-619-2648,

    Coldwell Banker Schmitt Real Estate Co.

    Bought with:

    Ally Kelley, SL3352184

    Ocean Sotheby's International

    Source: FLKMLS,MLS#: 617684MLS LogoOriginating MLS: Marathon/Lower Keys

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 6
    • Full bathrooms: 5
    • 1/2 bathrooms: 1
    Cooling
    • Central Air, Ceiling Fans(s)
    Appliances
    • Included: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
    Features
    • Wet Bar, Storage, Walk-In Closet(s), Pantry, Split Bedroom
    • Doors: Impact Rstnce Doors
    • Windows: Impact Rstnce Window
    Interior area
    • Total interior livable area: 3,578 sqft

    Property

    Parking
    • Parking features: Garage, Trailer Storage, Off Street
    • Has garage: Yes
    Features
    • Levels: Two
    • Stories: 2
    • Patio & porch: Open Porch/Balcony
    • Exterior features: Bar, Storage, Outdoor Kitchen, Lighting
    • Has private pool: Yes
    • Pool features: Heated, In Ground, Concrete
    • Fencing: Fenced
    • Has view: Yes
    • View description: Canal
    • Has water view: Yes
    • Water view: Canal
    • Waterfront features: Canal Front, Waterfront, Dock: Concrete, Dock Length: 165, Dockage: Boat Lift
    Lot
    • Size: 0.42 Acres
    • Features: More than 1 Lot
    Details
    • Parcel number: 00077580000000
    • Zoning: R-1A
    • Zoning description: Key Colony Single Family

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Materials
    • Combo Construction
    • Roof: Metal
    Condition
    • Updated/Remodeled
    • New construction: No
    • Year built: 1977

    Utilities & green energy

    • Electric: Elect Separate Meter
    • Sewer: Public Sewer
    • Utilities for property: FKAA, Buyer to Verify

    Community & neighborhood

    Security
    • Security features: Patrolled Area
    Community
    • Community features: Tennis Court(s), Bike Paths, Airport/Runway, Beach
    Location
    • Region: Marathon
    • Subdivision: Key Colony Bch 2nd Addn (53.5)

    HOA & financial

    HOA
    • Has HOA: No
    • Services included: None

    Other

    Other facts
    • Listing terms: Cash,Conventional

    Price history

    DateEventPrice
    6/23/2026Sold$3,840,000-3.9%$1,073/sqft
    Source: FLKMLS #617684 Report a problem
    6/23/2026Pending sale$3,995,000$1,117/sqft
    Source: FLKMLS #617684 Report a problem
    5/12/2026Contingent$3,995,000$1,117/sqft
    Source: MLKAR #617684 Report a problem
    3/18/2026Price change$3,995,000-9.2%$1,117/sqft
    Source: Key West AOR #617684 Report a problem
    12/12/2025Listed for sale$4,400,000+76%$1,230/sqft
    Source: Key West AOR #617684 Report a problem
    9/6/2022Sold$2,500,000-23.1%$699/sqft
    Source: Public Record Report a problem
    8/2/2022Pending sale$3,250,000$908/sqft
    Source: FLKMLS #600863 Report a problem
    7/21/2022Contingent$3,250,000$908/sqft
    Source: Key West AOR #600863 Report a problem
    7/19/2022Price change$3,250,000-7.1%$908/sqft
    Source: Key West AOR #600863 Report a problem
    5/4/2022Listed for sale$3,500,000+84.2%$978/sqft
    Source: Key West AOR #600863 Report a problem
    8/11/2004Sold$1,900,000$531/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$22,594 +16.8%$2,194,085 +11.2%
    2024$19,336 -13.7%$1,973,111 -13.2%
    2023$22,397 +147.6%$2,273,544 +142.8%
    2022$9,045 -1.1%$936,509 +3%
    2021$9,147 +4.9%$909,233 +1.4%
    2020$8,723 $896,680 +2.3%
    2019$8,723 +2.2%$876,521 +1.9%
    2018$8,534 +5.8%$860,178 +3.2%
    2017$8,063 +5.7%$833,182 +2.1%
    2016$7,628 -2%$816,046 +0.7%
    2015$7,783 $810,373

    Find assessor info on the county website

    Neighborhood: 33051

    Nearby schools

    GreatSchools rating
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    Estimated market value
    $3,840,200
    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
    $3,840,200