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For sale
  • $2,949,000

    420 11th St, Key Colony Beach, FL 33051

    6beds
    3,392sqft
    : 
    $18,083/mo
    Get pre-qualified
    Duplex
    Built in 1983
    -- sqft lot
    $-- Zestimate®
    $869/sqft
    $-- HOA

    What's special

    Heated pool and spaUnique floor planAbundant natural lightMultiple lounge areasResort-style backyardSoaring ceilingsImpact-rated windows and doors
    Welcome to your waterfront retreat in the heart of Key Colony Beach. Perfectly positioned on a deep-water canal with 75' of concrete dockage, this spacious 6-Bed, 4-Bath residence offers the ideal blend of island living, boating convenience, and exceptional investment potential. Designed to comfortably accommodate family and guests, the property features a unique floor plan with a 4-Bedroom, 2-Bath main residence and an attached ground level 2-Bedroom, 2-Bath guest quarters, providing flexibility for multi-generational living, entertaining, or maximizing rental income. Soaring ceilings and abundant natural light enhance the open living area, while impact-rated windows and doors provide peace or mind. A highlight of the home is the expansive screened porch overlooking the sparkling pool and tranquil canal. Outside, the resort-style backyard is built for enjoying the Florida Keys lifestyle. Relax in the heated pool and spa, soak up the sun on multiple lounge areas, or dine outdoors while watching the boats cruise by. The expansive patio offers plenty of seating for gathering with family and friends, while the 75-foot concrete seawall accommodates boats up to approximately 35 feet. From your dock, you'll enjoy quick boating access to the Atlantic Ocean in just minutes, with nearby Vaca Cut providing convenient access to the Gulf. Additional features include a garage, ample storage, low-maintenance tropical landscaping, and plenty of room for everyone to enjoy. Located in the sought-after island community of Key Colony Beach, you're just moments from waterfront dining, golf, pickleball, walking paths, Sunset Park, marinas, and Middle Keys attractions. Whether you're searching for a luxury primary residence, second home, or an established investment property, this canal-front oasis checks every box.
    41 days
    |
    334
    |
    16
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Lisa H Ferringo 305-797-1221,

    Coldwell Banker Schmitt Real Estate Co

    Source: FLKMLS,MLS#: 620520MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 4
      • Full bathrooms: 4
      Cooling
      • Central Air, Ceiling Fans(s), Ductless
      Appliances
      • Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Stainless Steel Appliance(s)
      • Laundry: Laundry Room
      Features
      • Built-in Features, Granite Counters, Walk-in Closet(s), Bar
      • Flooring: Tile
      Interior area
      • Total structure area: 3,392
      • Total interior livable area: 3,392 sqft

      Property

      Parking
      • Parking features: Attached
      • Has attached garage: Yes
      Features
      • Patio & porch: Patio
      • Has private pool: Yes
      • Pool features: In Ground, Decked
      • Has spa: Yes
      • Spa features: Heated
      • Fencing: Fenced
      • On waterfront: Yes
      Lot
      • Size: 8,276 Square Feet
      Details
      • Parcel number: 00076710000000
      • Zoning: R-2A - Key Colony Two Family

      Construction

      Type & style
      • Home type: MultiFamily
      • Property subtype: Duplex
      Materials
      • CBS, Stucco
      Condition
      • Year built: 1983

      Utilities & green energy

      • Utilities for property: Cable Available

      Community & HOA

      Community
      • Features: Beach, Other, Bike Paths
      • Security: Security Guard
      • Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
      HOA
      • Has HOA: No
      • Services included: None
      Location
      • Region: Key Colony Beach

      Financial & listing details

      • Price per square foot: $869/sqft
      • Tax assessed value: $2,720,581
      • Annual tax amount: $25,465
      • Date on market: 7/3/2026
      • Listing terms: Cash,Conventional

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        7/3/2026Listed for sale$2,949,000-7.8%$869/sqft
        Source: Key West AOR #620520 Report a problem
        6/21/2022Sold$3,200,000-5.9%$943/sqft
        Source: FLKMLS #600372 Report a problem
        6/16/2022Pending sale$3,400,000$1,002/sqft
        Source: FLKMLS #600372 Report a problem
        3/4/2022Listed for sale$3,400,000+277.8%$1,002/sqft
        Source: Key West AOR #599943 Report a problem
        6/12/2008Sold$900,000$265/sqft
        Source: FLKMLS #544496 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$27,052 +4.2%$2,720,581 +5.1%
        2023$25,962 +131.9%$2,589,794 +163.3%
        2022$11,197 +13.2%$983,610 +10%
        2021$9,892 +7.4%$894,191 +4.3%
        2020$9,213 $857,208 -2.7%
        2019$9,213 -1.9%$881,338 +12.3%
        2018$9,392 +14.5%$784,709 -11.3%
        2017$8,202 -8%$884,758 +32.8%
        2016$8,915 +32%$666,217 +10.4%
        2015$6,755 $603,276
        Find assessor info on the county website

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        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 33051

        Getting around

        7 / 100
        Car-Dependent
        27 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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