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    Marathon, FL Commercial Real Estate for Sale

    33 results
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    Highway Exposure Commercial Building
    $1,533,333

    Highway Exposure Commercial Building

    11401 Overseas Highway, Marathon, FL 33050

    Corner lot building with drive-thru and patio.

    • Prime corner location with direct highway exposure.
    • Oversized CBS building with 3,429 sq ft of air conditioned space.
    • Commercial zoning allows for many office or retail uses.
    • Very visible 15,000 sq ft corner lot.
    • Ample parking for customers and employees.
    Updated: Mar 25
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    Waterfront Commercial Parcels with Bay Bottom
    $4,900,000
    160,800.00 Acres

    Waterfront Commercial Parcels with Bay Bottom

    13759 Overseas Highway, Marathon, FL 33050

    Rare opportunity: waterfront parcels with bay bottom rights.

    • Rare combined parcels with HIGH‑TRAFFIC FRONTAGE on Overseas Highway, open‑water access, and bay bottom rights in Marathon.
    • Zoned Mixed Use Commercial (MU‑C) offering potential for hotel/motel, retail, restaurant, marina, or mixed‑use commercial ventures.
    • Includes ~3.0 acres of submerged bay bottom, opening UNIQUE POSSIBILITIES for water‑related commercial activity.
    • DIRECT OPEN WATER ACCESS with panoramic views and potential for dock development, boating, or water sport business.
    • Currently has two concrete dwellings on‑site with three building rights and deep water access with dockage.
    Updated: Nov 21, 2025
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    Waterfront Redevelopment Opportunity in Marathon
    $3,549,000
    1.72 Acres

    Waterfront Redevelopment Opportunity in Marathon

    Rare waterfront redevelopment with deep water dockage and highway frontage.

    14 125th Street Gulf, Marathon, FL 33050
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    Waterfront Land with Bay Bottom Rights
    $4,900,000
    160,800.00 Acres

    Waterfront Land with Bay Bottom Rights

    Rare opportunity: waterfront land with bay bottom rights in Marathon.

    13759 Overseas Highway, Marathon, FL 33050
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    Highway Frontage Development Opportunity
    $3,450,000

    Highway Frontage Development Opportunity

    Prime commercial land with highway frontage and ocean access.

    8501 Overseas Highway, Marathon, FL 33050
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    Prime Corner Lot in Marathon
    $289,000

    Prime Corner Lot in Marathon

    Vacant corner lot in Marathon with high visibility and water views.

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

    Prime Corner Lot in Marathon

    Vacant corner lot in high-visibility Marathon location with water views.

    319 Tuskegee Street, Marathon, FL 33050
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    Oceanfront Development Opportunity in Marathon
    $10,500,000

    Oceanfront Development Opportunity in Marathon

    Rare 6-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

    Oceanfront Development Opportunity in Marathon

    Rare oceanfront land for luxury residential development in Florida Keys.

    57478 Overseas Highway, Marathon, FL 33050
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    Gulf Front Estate in Marathon
    $9,950,000

    Gulf Front Estate in Marathon

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

    6500-6600 Overseas Highway, Marathon, FL 33050
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    Waterfront Redevelopment Opportunity in Marathon
    $3,549,000

    Waterfront Redevelopment Opportunity in Marathon

    Rare waterfront property with redevelopment potential and deep water dockage.

    14 125th Street Gulf, Marathon, FL 33050
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    Waterfront Commercial Land in Marathon
    $3,100,000
    80,400.00 Acres

    Waterfront Commercial Land in Marathon

    Rare waterfront property on Overseas Highway, ready for redevelopment.

    13759 Overseas Highway, 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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    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 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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    Oceanfront Lot on Overseas Highway
    $265,000
    0.34 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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    Improved Medical Suite For Sale
    $1,100,000
    4,139 SF

    Improved Medical Suite For Sale

    Well-maintained 4,139 SF medical suite in Marathon, Florida.

    5701 Overseas Hwy, Marathon, FL
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    Overseas Highway Commercial Property
    $175,000
    3,000 SF

    Overseas Highway Commercial Property

    1.03 acre corner lot with former restaurant.

    6495 Overseas Hwy, Marathon, FL 33050
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    Corner Commercial Building with Drive-Through
    $1,999,999
    4,429 SF

    Corner Commercial Building with Drive-Through

    Oversized CBS building with drive-through, suitable for office or retail.

    11401 Overseas Hwy, Marathon, FL 33050
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    Waterfront Commercial Property in Marathon
    $4,950,000

    Waterfront Commercial Property in Marathon

    Versatile waterfront property with mixed-use potential in the Florida Keys.

    38 Coco Plum Dr, Marathon, FL 33050
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    Established Business in Florida Keys
    $99,000

    Established Business in Florida Keys

    Work and live in paradise with this established business.

    Montage FL Keys Souvenirs, Marathon, FL 33050
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    Turnkey Auto Repair Investment Opportunity
    $1,550,000

    Turnkey Auto Repair Investment Opportunity

    Profitable auto repair business and real estate for sale.

    10455 Overseas Hwy, Marathon, FL 33050
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    Walgreens NNN Lease Investment Property
    $7,670,000
    16,904 SF

    Walgreens NNN Lease Investment Property

    NNN leased Walgreens in Marathon, Florida with zero landlord responsibilities.

    10870 Overseas Hwy, Marathon, FL
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    Marathon, FL Commercial Real Estate Investment Opportunities Market Analysis

    Explore 33 commercial real estate for sale in Marathon, FL, showcased through 33 active listings on our real estate platform. These investment opportunities span a total of 17,512,060,647 square feet of properties for sale, with an estimated market value of $58,113,333.

    Sale prices for business properties in Marathon, FL start at $265,000, averaging $4,150,952, and reaching up to $10,500,000 — 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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