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    Marathon, FL Waterfront Land for Sale

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    Key Colony Beach, FL Duck Key, FL Conch Key, FL
    22 listings
    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
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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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    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
    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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    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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    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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    Waterfront Land in Marathon, Florida
    $1,550,000
    0.26 Acres
    Waterfront Land in Marathon, Florida

    Buildable waterfront lot with ocean access in Marathon, Florida.

    248 Pescayo Avenue, Marathon, FL 33050

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    Waterfront Redevelopment Opportunity with Dockage
    $3,549,000
    6,128 SF
    Waterfront Redevelopment Opportunity with Dockage

    Rare waterfront redevelopment site with deep water dockage and highway frontage.

    14 125th Street Gulf, Marathon, FL 33050

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    Buildable RV Lot with Ocean Views
    $225,000
    0.02 Acres
    Buildable RV Lot with Ocean Views

    Buildable RV lot with ocean sunrise views, utilities in place, and resort amenities including a boat ramp and pavilions.

    6099 Overseas Highway, Marathon, FL 33050

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    Bay Front Buildable Lot
    $499,000
    0.26 Acres
    Bay Front Buildable Lot

    Bay front buildable lot in gated community, Marathon, Florida Keys.

    120 Pirates Cove Drive, Marathon, FL 33050

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    Duck Key Oceanfront Lot
    $2,950,000
    Duck Key Oceanfront Lot

    Large waterfront lot with boat lift, seawall, and dock.

    219 West Seaview Drive, Marathon, FL 33050

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    Oceanfront Lot with Boat Slip
    $1,900,000
    0.27 Acres
    Oceanfront Lot with Boat Slip

    Direct oceanfront lot with building rights in Marathon, Florida.

    1235 83rd Street, Marathon, FL 33050

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    Waterfront Retail Opportunity in Marathon
    Contact for pricing
    1,372 SF
    Waterfront Retail Opportunity in Marathon

    Prime 1.24-acre commercial property with highway frontage and waterfront access.

    12790 Overseas Hwy, Marathon, FL 33050

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    Waterfront Property with Fish House
    $2,950,000
    1,000 SF
    Waterfront Property with Fish House

    Waterfront property featuring a fish house and dockage.

    Marathon, FL 33050

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 22 Active Listings in Marathon, FL

    Marathon, FL Waterfront Land Investment Opportunities Market Analysis

    Explore 22 waterfront land for sale in Marathon, FL, showcased through 22 active listings on our real estate platform. These investment opportunities span a total of 49,945 square feet of properties for sale, with an estimated market value of $63,325,000.

    Sale prices for water rights properties in Marathon, FL start at $690,000, averaging $5,756,818, 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 26
    Commercial land 10
    Residential land & home lots 8

    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 $4.6M

    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%

    Listings Trend

    Total CRE Area on Market Trend

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