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New construction
    • $3,795,000

    813 39th St, Marathon, FL 33050

    5beds
    2,628sqft
    : 
    $23,641/mo
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    Single Family Residence
    Built in 2025
    5,227 Square Feet Lot
    $3,674,100 Zestimate®
    $1,444/sqft
    $390/mo HOA

    What's special

    Private poolFully furnishedTwo primary suitesSandy beach areaDual primary suitesSpectacular open-water viewsUnobstructed open gulf views
    NEW CONSTRUCTION | FULLY FURNISHED | 45' BOAT SLIP | OPEN GULF VIEWS Experience elevated Florida Keys living in this newly constructed, fully furnished 5-bedroom, 4-bath waterfront residence in the exclusive gated community of Emerald Flats. Perfectly positioned with unobstructed open Gulf views and no rear neighbors, this exceptional home combines privacy, luxury, and outstanding boating access. Designed to maximize its spectacular waterfront setting, the home features two primary suites, each opening to a full-length deck with breathtaking sunrise and open-water views. Enjoy seamless indoor-outdoor living with a private pool, sandy beach area, and deeded 45' boat slip offering protected deep-water dockage just steps from your door. Beautifully appointed and offered completely turnkey, the residence is currently operating as a successful vacation rental with an established rental history, providing the opportunity for immediate income while still serving as an exceptional personal retreat. Ideally located in the heart of Marathon, just minutes from world-class fishing, seconds from 7 mile bridge, boating, waterfront dining, beaches, and everything the Florida Keys lifestyle has to offer. A rare opportunity to own a new-construction, turnkey Gulf-front home with spectacular open-water views, dual primary suites, exceptional boating access, and income potential.
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    Zillow last checked:

    Listing updated:

    Listed by:

    Rachel Gallagher 727-992-9142,

    Re/Max Alliance Group

    Source: FLKMLS,MLS#: 620953MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 4
      • Full bathrooms: 4
      Bedroom 1
      • Level: Second
      Bedroom 2
      • Level: Third
      Bedroom 3
      • Level: Third
      Bedroom 4
      • Level: Third
      Kitchen
      • Level: Second
      Living room
      • Level: Second
      Heating
      • Has Heating (Unspecified Type)
      Cooling
      • Central Air, Ceiling Fans(s)
      Appliances
      • Included: Washer, Dryer, Dishwasher, Refrigerator, Oven, Microwave, Disposal, Wine Cooler, Stainless Steel Appliance(s)
      • Laundry: Laundry Room
      Features
      • Storage, Walk-in Closet(s), Quartz Countertops, Wired for Sound
      • Flooring: Tile, Vinyl
      • Furnished: Yes
      Interior area
      • Total structure area: 2,628
      • Total interior livable area: 2,628 sqft

      Property

      Parking
      • Parking features: Attached, Garage Door Opener, Open
      • Has attached garage: Yes
      • Has uncovered spaces: Yes
      Accessibility
      • Accessibility features: Accessible Doors
      Features
      • Patio & porch: Open Porch/Balcony, Deck, Patio, Lanai
      • Exterior features: Lighting, Outdoor Shower
      • Has private pool: Yes
      • Pool features: In Ground, Salt Water, Concrete
      • Fencing: Fenced,Privacy
      • On waterfront: Yes
      Lot
      • Size: 5,227 Square Feet
      Details
      • Parcel number: 00337391001300
      • Zoning: RH - Residential High

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • CBS, Concrete, Stucco
      Condition
      • New Construction
      • New construction: Yes
      • Year built: 2025

      Utilities & green energy

      • Electric: Optical
      • Utilities for property: Cable Available

      Community & HOA

      Community
      • Features: Fire Hydrant, Beach, Other
      • Security: Security Gate
      • Subdivision: Marathon Beach (49.0)
      HOA
      • Has HOA: Yes
      • Services included: Common Area Mnt, Security
      • HOA fee: $390 monthly
      Location
      • Region: Marathon

      Financial & listing details

      • Price per square foot: $1,444/sqft
      • Tax assessed value: $673,165
      • Annual tax amount: $6,382
      • Date on market: 8/12/2026
      • Listing terms: Assumable,Cash,Conventional

        Estimated market value

        $3,674,100

        $3.49M - $3.86M

        Not available

        Price history

        DateEventPrice
        8/12/2026Listed for sale$3,795,000+1001.6%$1,444/sqft
        Source: FLKMLS #620953 Report a problem
        11/19/2024Sold$344,500$131/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$6,382 +38.5%$673,165 +59.8%
        2024$4,609 +3%$421,168 +10%
        2023$4,474 +36.9%$382,880 +10%
        2022$3,269 $348,073
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        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: 33050

        Getting around

        38 / 100
        Car-Dependent
        81 / 100
        Very Bikeable

        Nearby schools

        GreatSchools rating

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