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    Marathon, FL Land for Sale

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    Key Colony Beach, FL Duck Key, FL Conch Key, FL
    38 results
    Waterfront Redevelopment Opportunity in Marathon
    $3,549,000
    6,128 SF

    Waterfront Redevelopment Opportunity in Marathon

    14 125th Street Gulf, Marathon, FL 33050

    Rare waterfront property with redevelopment potential in Marathon, Florida.

    • 100' of waterfront with deep water dockage approved.
    • Large 74,890 SQ FT site with active Conditional Use Permit for development.
    • Mixed‑use zoning allows for various commercial and residential possibilities (hotel, apartments, etc.).
    • 200' of highway frontage.
    • Existing 6,128 SQ FT CBS building with 2,340 SQ FT of porches.
    Updated: Mar 9
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    Waterfront Redevelopment Opportunity in Marathon
    $3,549,000
    6,128 SF

    Waterfront Redevelopment Opportunity in Marathon

    14 125th Street Gulf, Marathon, FL 33050

    Rare waterfront property with deep water dockage and highway frontage.

    • 100' of waterfront with deep water dockage approved.
    • Large 74,890 SQ FT site with active Conditional Use Permit for 10 units & 4 affordable staff group home units.
    • Mixed‑use zoning with many commercial‑residential possibilities.
    • 200' of highway frontage.
    • Versatile 2 story, 6,128 SQ FT CBS building with 2,340 SQ FT of outdoor porches.
    Updated: Mar 9
    View details
    Highway Frontage Development Opportunity
    $3,450,000
    0.95 Acres

    Highway Frontage Development Opportunity

    Commercial land with highway frontage, development potential, and private dockage.

    8501 Overseas Highway, Marathon, FL 33050
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    Oceanfront Development Opportunity in Marathon
    $10,500,000
    2.37 Acres

    Oceanfront Development Opportunity in Marathon

    Rare 2.37-acre oceanfront land parcel in the Florida Keys.

    57478 Overseas Highway, Marathon, FL 33050
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    Oceanfront Development Opportunity in Marathon
    $10,500,000
    2.37 Acres

    Oceanfront Development Opportunity in Marathon

    Rare 2.37-acre oceanfront land parcel for luxury residential development.

    57478 Overseas Highway, Marathon, FL 33050
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    Prime Corner Lot in Marathon
    $265,000

    Prime Corner Lot in Marathon

    Vacant corner lot in Marathon's activity hub with water views.

    319 Tuskegee Street, Marathon, FL 33050
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    Corner Lot in Marathon, FL
    $265,000
    0.06 Acres

    Corner Lot in Marathon, FL

    Vacant corner lot in a high-visibility Marathon location.

    319 Tuskegee Street, Marathon, FL 33050
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    Waterfront Lot Ready to Build
    $679,000
    0.09 Acres

    Waterfront Lot Ready to Build

    Premium waterfront lot with building rights and deep water dockage.

    1021 27Th Street Ocean, Marathon, FL 33050
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    Waterfront Redevelopment Opportunity in Marathon, FL
    $3,549,000
    6,128 SF

    Waterfront Redevelopment Opportunity in Marathon, FL

    Rare waterfront property with redevelopment potential and deep water dockage.

    14 125Th Street Gulf, Marathon, FL 33050
    View details
    Buildable Lot in Stirrup Key
    $499,000
    0.36 Acres

    Buildable Lot in Stirrup Key

    Rare vacant lot with transferable building right and approved plans.

    207 Stirrup Key Boulevard, Marathon, FL 33050
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    Buildable Lot in Stirrup Key
    $499,000
    0.36 Acres

    Buildable Lot in Stirrup Key

    Vacant lot with transferable building right and approved plans.

    207 Stirrup Key Boulevard, Marathon, FL 33050
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    Waterfront Commercial Property in Marathon
    $4,950,000
    5,439 SF

    Waterfront Commercial Property in Marathon

    Prime commercial property with waterfront access and mixed-use potential.

    38 Coco Plum Drive, Marathon, FL 33050
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    Waterfront Duplex in Sombrero Beach
    $1,300,000
    1,668 SF

    Waterfront Duplex in Sombrero Beach

    Updated waterfront duplex with dock and ocean access in Marathon.

    17-18 Man-O-War Drive, Marathon, FL 33050
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    Waterfront Redevelopment Opportunity in Marathon
    $3,549,000
    6,128 SF

    Waterfront Redevelopment Opportunity in Marathon

    Rare waterfront property with deep water dockage and highway frontage.

    14 125Th Street Gulf, Marathon, FL 33050
    View details
    Waterfront Land with Approved Plans
    $599,000
    0.11 Acres

    Waterfront Land with Approved Plans

    Waterfront land with new seawall and approved building plans.

    93 N Conch Ave, Marathon, FL 33050
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    Oceanside Lot Overlooking Coco Plum Beach
    $439,000
    0.50 Acres

    Oceanside Lot Overlooking Coco Plum Beach

    21,808 sq ft lot with unobstructed ocean views.

    300 Coco Plum, Marathon, FL 33050
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    Waterfront Duplex Near Sombrero Beach
    $690,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated waterfront duplex, move-in ready, near Sombrero Beach.

    18 Man-O-War Drive, Marathon, FL 33050
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    Oceanfront Lot on Overseas Highway
    $265,000
    0.35 Acres

    Oceanfront Lot on Overseas Highway

    Buildable oceanfront lot in Marathon, Florida, with multiple uses.

    Overseas Highway Over Hwy, Marathon, FL 33050
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    Florida Keys Residential Development Opportunity
    $499,000
    0.08 Acres

    Florida Keys Residential Development Opportunity

    Residential parcel with development potential in the Florida Keys.

    77 S Conch Ave, Marathon, FL 33050
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    Waterfront Half-Duplex Near Sombrero Beach
    $690,000
    834 SF

    Waterfront Half-Duplex Near Sombrero Beach

    Updated waterfront half-duplex with new dock near Sombrero Beach.

    17 Man-O-War Drive, Marathon, FL 33050
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    Waterfront Estate with Resort-Style Amenities
    $35,000,000
    9,530 SF

    Waterfront Estate with Resort-Style Amenities

    Luxury waterfront estate with pools, villas, and ocean access.

    57223 Morton Street, Marathon, FL 33050
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    Gulf Front Estate in Marathon
    $9,950,000
    10,852 SF

    Gulf Front Estate in Marathon

    3.86-acre mixed-use commercial property with highway and water frontage.

    6500-6600 Overseas Highway, Marathon, FL 33050
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    Oceanside Lot in Marathon, Florida
    $439,000
    0.50 Acres

    Oceanside Lot in Marathon, Florida

    21,808 sq ft lot overlooking Coco Plum Beach.

    300 Coco Plum Drive, Marathon, FL 33050
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    Residential Land Near Sombrero Beach
    $275,000
    0.16 Acres

    Residential Land Near Sombrero Beach

    Residential lot near Sombrero Beach, Marathon, Florida.

    Calle Limon, Lot 25, Marathon, FL 33050
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    Marathon, FL Land Investment Opportunities Market Analysis

    Explore 72 land for sale in Marathon, FL, showcased through 38 active listings on our real estate platform. These investment opportunities span a total of 60,797 square feet of properties for sale, with an estimated market value of $73,275,000.

    Sale prices for lots in Marathon, FL start at $690,000, averaging $6,106,250, and reaching up to $35,000,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Waterfront Land 25
    Commercial land 10
    Residential land & home lots 9

    Demographics Overview

    Population 11K
    Population Growth (5Y) +12.2%
    Median Household Income $83,776
    College Educated 36.9%

    High-Yield Neighborhoods for Investment

    Identify Marathon submarkets with the highest inventory density on the market and evaluate the median listing prices of real estate assets

    Neighborhood Average Price
    33050 $3.2M

    Taxes & Financing

    Tax Rate (average for all types) 0.86%
    Property Tax per SF $8.45 per sq ft
    Tax Rate vs County Average 0.11 pp above county avg
    Average Loan-to-Value 65.0%

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