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For sale
    • Price cut: $100K (2/25)
    $1,899,000

    42 Treasure Rd, Marathon, FL 33050

    3beds
    2,313sqft
    : 
    Single Family Residence
    Built in 1976
    0.27 Acres Lot
    $-- Zestimate®
    $821/sqft
    $-- HOA

    What's special

    Shady treesWonderful characterSeamless indoor-outdoor connectionIncredible open-water viewsStunning ocean viewsOpen-water retreatQuiet private enclave
    Tucked away on a quiet private enclave just steps from iconic Sombrero Beach, this open-water retreat offers stunning ocean views and an ever-changing palette of turquoise and deep blue waters. Located on exclusive Treasure Road, this is a setting you only drive down if you live there, peaceful, private, and perfectly positioned just moments from the sand.The home features 3 bedrooms and 3.5 baths, with approximately 2,300+ sq ft of living space on an almost 12,000 sq ft lot, including 77 feet of concrete seawall and approximately 89 feet of waterfront. The primary living room showcases high ceilings and expansive sliding glass doors that open directly to incredible open-water views, filling the space with natural light and creating a seamless indoor-outdoor connection. Sunset views stretch across the water, while mature tropical landscaping, shady trees, and a heated 15' x 30' concrete pool create a true island oasis.Each bedroom is an ensuite, offering comfort and privacy, with an additional half bath conveniently located near the pool. The home has wonderful character, a second living area downstairs, a covered lanai ideal for outdoor dining and relaxing, and an upstairs sun deck perfect for soaking in ocean views and sea breezes. Additional features include a circular driveway, garage, and generous outdoor space for entertaining or unwinding.This golf-cart-friendly, family-friendly neighborhood allows you to bike, walk, or run to the beach, grocery store, and some of Marathon's best restaurants, truly one of the most desirable areas in the Keys. Enjoy community events hosted at Sombrero Beach, including the renowned Fourth of July celebration and fireworks. This property has never been rented, though weekly vacation rentals are allowed.A rare offering in one of Marathon's most sought-after neighborhoods, where ocean views, privacy, and the island lifestyle come together effortlessly.
    46 days
    |
    2,090
    |
    103
    |

    Zillow last checked: 7 hours ago

    Listing updated: March 18, 2026 at 09:17am

    Listed by:

    Monica Jane Barrett 305-433-0349,

    Coldwell Banker Schmitt Real Estate Co.,

    Rick Bryan Servais 305-731-5010,

    Coldwell Banker Schmitt Real Estate Co.

    Source: FLKMLS,MLS#: 618576MLS LogoOriginating MLS: Marathon/Lower Keys

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Heating
      • Electric
      Cooling
      • Central Air, Ductless, Ceiling Fans(s), Wall/Window Unit(s)
      Appliances
      • Included: Washer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
      • Laundry: Laundry Room
      Features
      • Granite Counters, Walk-In Closet(s), Storage, Pantry, Split Bedroom, Cathedral Ceiling(s), Media Room
      • Flooring: Tile, Carpet, Wood
      • Doors: Sliding Glass Doors
      • Windows: Drapes/Blinds Incl, Window Treatments, Jalousie Windows, Other Windows/Doors, Single Hung Windows, Accordion, Roll Down Electric, Panel
      Interior area
      • Total interior livable area: 2,313 sqft
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      Property

      Parking
      • Total spaces: 4
      • Parking features: Garage, Trailer Storage, RV Parking Open, Guest, Open, Attached
      • Has attached garage: Yes
      • Has uncovered spaces: Yes
      Features
      • Levels: Two,Ground Level
      • Stories: 2
      • Patio & porch: Lanai, Open Porch/Balcony, Deck, Patio
      • Exterior features: Storage, Rain Gutters
      • Has private pool: Yes
      • Pool features: Heated, In Ground, Concrete
      • Fencing: Fenced,Privacy
      • Has view: Yes
      • View description: Ocean, Water, Canal
      • Has water view: Yes
      • Water view: Ocean,Water,Canal
      • Waterfront features: Oceanfront, Open Water, Canal Front, Waterfront, Seawall: Concrete, Dock: Concrete, Dock Length: 77
      Lot
      • Size: 0.27 Acres
      • Features: 1/4 - 1/2 Acre
      • Residential vegetation: Fruit Tree(s)
      Details
      • Parcel number: 00105210000000
      • Zoning: RM
      • Zoning description: Residential Medium
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • CBS
      • Roof: Combo Roof
      Condition
      • Year built: 1976

      Utilities & green energy

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

      Community & HOA

      Community
      • Features: Community Boat Ramp, Bike Paths, Airport/Runway, Other, Beach, Tennis Court(s)
      • Security: Patrolled Area
      • Subdivision: Treasure Island (50.0)
      HOA
      • Has HOA: No
      • Services included: None
      Location
      • Region: Marathon

      Financial & listing details

      • Price per square foot: $821/sqft
      • Tax assessed value: $1,662,284
      • Annual tax amount: $7,828
      • Date on market: 2/10/2026
      • Listing terms: Cash,Conventional
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        Estimated market value

        Not available

        Estimated sales range

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        Price history

        Price history
        DateEventPrice
        3/18/2026Listed for sale$1,899,000$821/sqft
        Source: FLKMLS #618576 Report a problem
        3/3/2026Contingent$1,899,000$821/sqft
        Source: Key West AOR #618576 Report a problem
        2/25/2026Price change$1,899,000-5%$821/sqft
        Source: FLKMLS #618576 Report a problem
        2/10/2026Listed for sale$1,999,000+329.9%$864/sqft
        Source: MLKAR #618576 Report a problem
        12/11/2001Sold$465,000+389.5%$201/sqft
        Source: FLKMLS #505292 Report a problem
        5/7/1999Sold$95,000-74.7%$41/sqft
        Source: Public Record Report a problem
        3/31/1998Sold$375,000$162/sqft
        Source: FLKMLS #408486 Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2025$7,828 -2.1%$886,117 +2.9%
        2024$7,996 +1.8%$861,144 +3.7%
        2023$7,853 +1.4%$830,649 +3%
        2022$7,743 -1.5%$806,456 +3%
        2021$7,865 -3.5%$782,967 +1.4%
        2020$8,151 $772,157 +2.3%
        2019$8,151 +2.1%$754,797 +1.9%
        2018$7,986 +5.2%$740,724 +2.1%
        2017$7,594 +1.8%$725,489 +2.1%
        2016$7,459 -0.9%$710,568 +0.7%
        2015$7,527 $705,629

        Find assessor info on the county website

        BuyAbility℠ payment

        Est. payment
        $9,679/mo
        Principal & interest
        $9679
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          Neighborhood: 33050

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