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    Marathon, FL Residential Income Properties for Sale

    20 results
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    Waterfront Redevelopment Opportunity in Marathon
    $3,549,000
    1.72 Acres

    Waterfront Redevelopment Opportunity in Marathon

    14 125th Street Gulf, Marathon, FL 33050

    Rare waterfront redevelopment with deep water dockage and highway frontage.

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

    Waterfront Redevelopment Opportunity in Marathon

    14 125th Street Gulf, Marathon, FL 33050

    Rare waterfront property with redevelopment potential and deep water dockage.

    • 100' of waterfront with approved deep water dockage.
    • Large 74,890 SQ FT site with active Conditional Use Permit for 10 units & 4 affordable staff group home units.
    • Mixed‑use zoning allows for various commercial‑residential possibilities (hotel, market rate units, etc.).
    • 200' of highway frontage.
    • Existing 6,128 SQ FT CBS building with 2,340 SQ FT of outdoor porches.
    Updated: Mar 9
    View details
    Marathon Duplex Redevelopment Opportunity
    $650,000
    1,460 SF

    Marathon Duplex Redevelopment Opportunity

    Duplex in Marathon, Florida Keys, with redevelopment potential.

    746 50th St Gulf, Marathon, FL 33050
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    Waterfront Residences: Luxury & Income
    $11,000,000
    12,198 SF

    Waterfront Residences: Luxury & Income

    Three designer homes on a waterfront parcel with income potential.

    2394 Coco Plum Drive, Marathon, FL 33050
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    Waterfront Redevelopment Opportunity in Marathon, FL
    $3,549,000

    Waterfront Redevelopment Opportunity in Marathon, FL

    Rare waterfront property with deep water dockage and redevelopment potential.

    14 125Th Street Gulf, Marathon, FL 33050
    View details
    Waterfront Redevelopment Opportunity with Dockage
    $3,549,000

    Waterfront Redevelopment Opportunity with Dockage

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

    14 125Th Street Gulf, Marathon, FL 33050
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    Waterfront Residences: Luxury & Income
    $11,000,000

    Waterfront Residences: Luxury & Income

    Three designer homes on an exclusive waterfront parcel with income potential.

    2394 Coco Plum Drive, Marathon, FL 33050
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    Waterfront Duplex Near Sombrero Beach
    $770,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated waterfront duplex near Sombrero Beach, ideal for rental income.

    17 Man-O-War Drive, Marathon, FL 33050
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    Multifamily Complex in Marathon, Florida
    $1,800,000
    3,017 SF

    Multifamily Complex in Marathon, Florida

    Multifamily complex with redevelopment potential in a high-demand location.

    13755 Overseas Highway, Marathon, FL 33050
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    Turnkey Auto Repair Investment Opportunity
    $1,450,000

    Turnkey Auto Repair Investment Opportunity

    Profitable auto repair business and real estate for sale.

    10455 Overseas Highway, Marathon, FL 33050
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    Waterfront Duplex Near Sombrero Beach
    $770,000
    834 SF

    Waterfront Duplex Near Sombrero Beach

    Updated half-duplex with new dock and open-water views.

    18 Man-O-War Drive, Marathon, FL 33050
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    Waterfront Restaurant with Development Potential
    $3,300,000

    Waterfront Restaurant with Development Potential

    Iconic restaurant with residential property, development rights, and dockage.

    1240 Overseas Highway, Marathon, FL 33050
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    Charming Duplex in Little Venice
    $699,000
    907 SF

    Charming Duplex in Little Venice

    Versatile duplex in Marathon, Florida Keys, ideal for living/investment.

    487 116th Street, Marathon, FL 33050
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    Waterfront Duplex in Sombrero Beach
    $1,400,000
    1,668 SF

    Waterfront Duplex in Sombrero Beach

    Updated waterfront duplex with dock and ocean access in Marathon, FL.

    17-18 Man-O-War Drive, Marathon, FL 33050
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    Two-Story Duplex in Marathon
    $675,000
    1,302 SF

    Two-Story Duplex in Marathon

    Two-story duplex in Marathon, ideal for redevelopment and expansion.

    329 63 Court Gulf Court, Marathon, FL 33050
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    Waterfront Duplex in Marathon, Florida
    $1,099,000
    1,512 SF

    Waterfront Duplex in Marathon, Florida

    Duplex with canal access, ideal for rental income or residence.

    4901/4903 49th Street, Marathon, FL 33050
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    Ocean View Duplex in Marathon
    $1,500,000
    1,590 SF

    Ocean View Duplex in Marathon

    Remodeled duplex with ocean views and direct ocean access.

    945 98Th Street, Marathon, FL 33050
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    Oceanfront Home on Atlantic
    $629,000
    1,000 SF

    Oceanfront Home on Atlantic

    New construction, ocean views, community amenities, and rental potential.

    101 11th Street Ocean, Lot 33, Marathon, FL 33050
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    Grassy Key Marina Investment
    $9,900,000
    22,000 SF

    Grassy Key Marina Investment

    Marina with rental income, apartments, and potential for growth.

    59073 Overseas Hwy, Marathon, FL 33050
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    Oceanfront Home on Atlantic
    Contact for pricing
    1,000 SF

    Oceanfront Home on Atlantic

    Oceanfront property with sunrise/sunset views, modern amenities, and rental potential.

    101 11th Street Ocean, Marathon, FL 33050
    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 20 Active Listings in Marathon, FL, we suggest to view alternatives - similar 6 Off-Market properties to explore as potential leads.

    Explore Off-Market Properties in Marathon, FL

    Consider similar Off-Market properties in Marathon, FL. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    101 11Th Street Ocean

    101 11Th Street Ocean

    Multifamily properties • 1,000 SF
    Value Estimation by Request
    101 11Th Street Ocean, Marathon, FL 33050
    View details
    101 11Th Street Ocean

    101 11Th Street Ocean

    Multifamily properties • 1,000 SF
    Value Estimation by Request
    101 11Th Street Ocean, Marathon, FL 33050
    View details
    442 48Th Street Ocean

    442 48Th Street Ocean

    Multifamily properties
    Value Estimation by Request
    442 48Th Street Ocean, Marathon, FL 33050
    View details
    104 52Nd Street Ocean

    104 52Nd Street Ocean

    Multifamily properties
    Value Estimation by Request
    104 52Nd Street Ocean, Marathon, FL 33050
    View details

    Marathon, FL Residential Income Properties Investment Opportunities Market Analysis

    Explore 26 residential income properties for sale in Marathon, FL, showcased through 20 active listings on our real estate platform. These investment opportunities span a total of 3,502,563,332 square feet of properties for sale, with an estimated market value of $22,860,000.

    Sale prices for residential income properties in Marathon, FL start at $650,000, averaging $1,905,000, and reaching up to $3,549,000 — 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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