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For sale
    • $3,850,000

    770 9th St, Key Colony Beach, FL 33051

    4beds
    3,381sqft
    : 
    Single Family Residence
    Built in 1993
    10,750 Square Feet Lot
    $3,547,900 Zestimate®
    $1,139/sqft
    $-- HOA

    What's special

    Newly renovatedCorner bay frontFish cleaning stationCustom wood stairsStunning kitchen
    Rare opportunity to own this corner bay front 4 bedroom 3.5 bath home in the loved neighborhood of Key Colony Beach located in Marathon! This home is newly renovated with one of the best views to sit back relax and enjoy the boats going by or having quick access to the Atlantic Ocean for optimal fishing, lobstering, diving, and stunning views on the boat. With plenty of deep water and a 60 ft dock with a 20,000-pound boatlift, water and electric at the dock, and fish cleaning station, everything is ready to go for all your boating needs. But when it's time to relax enjoy the oasis of the pool that can be cooled for the summer or if you're wanting to escape a cold winter to the keys the pool can also be heated. Featuring inside there are 2 living rooms, a stunning kitchen, and custom wood stairs to go upstairs to the bedrooms, the primary has its own split stairs to its side for great privacy. There is also a mini primary bedroom with its own bathroom along with his and her closest. The property has been a very successful six figure earning rental when it is not being utilized by the owners. Having a 2 car garage, 4 car fitting driveway, and space to the left of the driveway for a boat trailer there is plenty of parking for guest and friends to come enjoy the stunning view and atmosphere of this property!
    24 days
    |
    1,092
    |
    40
    |

    Zillow last checked: 7 hours ago

    Listing updated: February 24, 2026 at 03:59am

    Listing Provided by:

    Kim Hiers 352-586-4539,

    KELLER WILLIAMS CORNERSTONE RE 352-369-4044

    Source: Stellar MLS,MLS#: OM719377MLS LogoOriginating MLS: Ocala - Marion

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Primary bedroom
      • Features: Walk-In Closet(s)
      • Level: Second
      Kitchen
      • Level: First
      Living room
      • Level: First
      Heating
      • Electric
      Cooling
      • Central Air
      Appliances
      • Included: Dishwasher, Dryer, Ice Maker, Microwave, Refrigerator, Washer
      • Laundry: Laundry Room
      Features
      • PrimaryBedroom Upstairs, Stone Counters, Thermostat, Walk-In Closet(s)
      • Flooring: Tile, Vinyl
      • Has fireplace: No
      Interior area
      • Total structure area: 4,647
      • Total interior livable area: 3,381 sqft
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      Property

      Parking
      • Total spaces: 2
      • Parking features: Garage - Attached
      • Attached garage spaces: 2
      Features
      • Levels: Two
      • Stories: 2
      • Exterior features: Private Yard
      • Has private pool: Yes
      • Pool features: Heated, In Ground
      • Has view: Yes
      • View description: Water, Bay/Harbor - Full
      • Has water view: Yes
      • Water view: Water,Bay/Harbor - Full
      • Waterfront features: Bay/Harbor, Bay/Harbor Access, Saltwater Canal Access, Gulf/Ocean Access, Lift, Seawall
      Lot
      • Size: 10,750 Square Feet
      • Features: Corner Lot
      Details
      • Parcel number: 00075110000000
      • Zoning: INC
      • Special conditions: None

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Stucco
      • Foundation: Slab
      • Roof: Tile
      Condition
      • New construction: No
      • Year built: 1993

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Cable Connected, Sewer Connected, Water Connected

      Community & HOA

      Community
      • Pet fee: $0 monthly
      • Subdivision: KEY COLONY BEACH 1ST ADD
      HOA
      • Has HOA: No
      Location
      • Region: Key Colony Beach

      Financial & listing details

      • Price per square foot: $1,139/sqft
      • Tax assessed value: $1,547,543
      • Annual tax amount: $14,704
      • Date on market: 2/23/2026
      • Cumulative days on market: 25 days
      • Listing terms: Cash,Conventional
      • Ownership: Fee Simple
      • Total actual rent: 0
      • Road surface type: Paved
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        Estimated market value

        $3,547,900

        $3.37M - $3.73M

        $7,647/mo

        Price history

        Price history
        DateEventPrice
        2/23/2026Listed for sale$3,850,000+140.6%$1,139/sqft
        Source: Stellar MLS #OM719377 Report a problem
        3/24/2021Listing removed--
        Source: Owner Report a problem
        6/5/2015Listing removed$1,600,000+16.4%$473/sqft
        Source: Owner Report a problem
        8/13/2014Sold$1,375,000-14.1%$407/sqft
        Source: FLKMLS #564997 Report a problem
        7/29/2014Price change$1,600,000+6.7%$473/sqft
        Source: Owner Report a problem
        8/24/2013Listed for sale$1,500,000$444/sqft
        Source: Owner Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2025$14,704 +7.3%$1,516,538 +10%
        2024$13,700 +0.6%$1,378,671 +1.3%
        2023$13,615 -11.1%$1,360,762 -12.3%
        2022$15,314 -0.6%$1,551,151 +3.9%
        2021$15,404 +2.8%$1,493,557 -0.7%
        2020$14,981 $1,504,146 -4.1%
        2019$14,981 +0.1%$1,568,758 -0.7%
        2018$14,973 +9.6%$1,580,343 +30.4%
        2017$13,662 +19.6%$1,211,798 +2.9%
        2016$11,425 -1.4%$1,178,084 +1.3%
        2015$11,593 $1,162,703

        Find assessor info on the county website

        BuyAbility℠ payment

        Est. payment
        $21,539/mo
        Principal & interest
        $18908
        Property taxes
        $2631
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          Climate risks

          Neighborhood: 33051

          Getting around

          7 / 100
          Car-Dependent
          31 / 100
          Somewhat Bikeable

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          GreatSchools rating

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