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    Monroe County, FL Commercial Land for Sale

    35 results
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    Gulf Front Estate in Marathon
    $9,950,000

    Gulf Front Estate in Marathon

    6500-6600 Overseas Hwy, Marathon, FL 33050

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

    • 3.86‑acre Gulf‑front estate featuring 695 feet of water frontage and 218 feet of concrete dockage with a protected boat slip.
    • Zoned mixed‑use commercial with one commercial transferable building right, offering multiple development possibilities.
    • Secured property with an eight‑foot concrete wall and three gated entrances.
    • Solid concrete construction 10,852 sq ft mansion with ten bedrooms and six and a half bathrooms.
    • Includes a separate garage/workshop with two rooms and mini‑split air conditioning.
    Updated: Nov 20, 2025
    View details
    Key Largo Buildable Lot
    $385,000

    Key Largo Buildable Lot

    45 Coral Dr, Key Largo, FL 33037

    Buildable lot in Key Largo near restaurants and fisheries.

    • Transferable building right included (Monroe County/Key Largo)
    • Buildable lot, perfect for your dream home or investment property.
    • Located in Key Largo, offering a desirable island lifestyle.
    • Lot size: 60' wide x 110' deep.
    • Near Pilot House restaurant, enjoy convenient dining options.
    Updated: Oct 3, 2025
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    Oceanfront Estates with Development Potential
    $9,500,000

    Oceanfront Estates with Development Potential

    Oceanfront Key Largo estates with commercial zoning and development opportunities.

    95351 Overseas Hwy, Key Largo, FL 33037
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    Commercial Building Lot Opportunity
    $1,295,000

    Commercial Building Lot Opportunity

    Approved site plan for a 2,500 sq. ft. commercial building.

    101201 Overseas Hwy, Key Largo, FL 33037
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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 Hwy, Marathon, FL 33050
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    Ramrod Key Vacant Land
    $300,000

    Ramrod Key Vacant Land

    6,000 SF vacant lot near Looe Key Reef.

    27426 Martinique Ln, Ramrod Key, FL 33042
    View details
    Duck Key Oversized Vacant Land
    $324,900

    Duck Key Oversized Vacant Land

    Oversized vacant land in desirable Duck Key community.

    131 Bimini Dr, Duck Key, FL 33050
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    Commercial Land in Big Pine
    $1,125,000

    Commercial Land in Big Pine

    Wooded commercial land available in Big Pine Key, Florida.

    N Us Hwy 1, Big Pine Key, FL 33043
    View details
    Waterfront Land Development Opportunity
    $2,499,000

    Waterfront Land Development Opportunity

    Rare waterfront land in Islamorada, Florida, with development potential.

    90291 Old Hwy, Plantation Key, FL 33070
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    Craig Key Bayfront Legacy Estate
    $10,500,000

    Craig Key Bayfront Legacy Estate

    Rare 1.62-acre bayfront property with deep-water access and dockage.

    72100 Overseas Hwy, Islamorada, FL 33036
    View details
    Buildable Vacant Land in Key Largo
    $220,000

    Buildable Vacant Land in Key Largo

    Value-priced, fully buildable lot near Key Largo Elementary School.

    10 N Marlin Ave, Key Largo, FL 33037
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    Summerland Key Commercial Land Opportunity
    $799,000

    Summerland Key Commercial Land Opportunity

    Prime commercial land in Summerland Key with extensive frontage.

    24792 Overseas Hwy, Summerland Key, FL 33042
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    Waterfront Commercial Land with Income
    $1,574,000
    0.50 Acres

    Waterfront Commercial Land with Income

    High-visibility commercial land with existing income near Key West.

    21423 Overseas Hwy, Summerland Key, FL 33042
    View details
    Oceanfront Mixed-Use Land in Marathon
    $275,000
    0.34 Acres

    Oceanfront Mixed-Use Land in Marathon

    Buildable oceanfront lot zoned for mixed-use in Marathon, Florida.

    Overseas Hwy Over Hwy, Marathon, FL 33050
    View details
    Vacant Land in Big Pine
    $120,000

    Vacant Land in Big Pine

    Vacant land parcel off US-1 with commercial potential.

    6 Vacant Land, Big Pine Key, FL 33043
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    Canal Front Land Opportunity
    $225,000

    Canal Front Land Opportunity

    Vacant canal front land in Cutthroat Harbor Estates.

    124 Cutthroat Dr, Cudjoe Key, FL 33042
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    Stock Island Mixed-Use Redevelopment Opportunity
    $2,295,000

    Stock Island Mixed-Use Redevelopment Opportunity

    25,000 SF mixed-use property with redevelopment potential near Key West.

    5580 1St Ave, Key West, FL 33040
    View details
    Oceanfront Development Opportunity in Marathon
    $6,900,000

    Oceanfront Development Opportunity in Marathon

    1.67-acre oceanfront property with development agreement for 10 villas.

    8700 Overseas Hwy, Marathon, FL 33050
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    Waterfront Land with Mixed Use Zoning
    $10,995,000

    Waterfront Land with Mixed Use Zoning

    Two parcels of land with waterfront access and mixed-use zoning.

    7000 5Th St, Key West, FL 33040
    View details
    Commercial Vacant Land Key Largo
    $169,000

    Commercial Vacant Land Key Largo

    Commercial vacant lot with high visibility and easy access.

    106360 Overseas Hwy, Key Largo, FL 33037
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    Commercial Land with Development Potential
    $1,150,000

    Commercial Land with Development Potential

    One-acre commercial property with permits for immediate construction.

    30230 Paradise Ln, Big Pine Key, FL 33043
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    Vacant Land in Key Largo
    $99,000

    Vacant Land in Key Largo

    Vacant lot in Key Largo, perfect for building or investment.

    109 Jasmine Dr, Key Largo, FL 33037
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    Conch Key Vacant Land Parcel
    $499,000

    Conch Key Vacant Land Parcel

    4500 SF parcel with development potential in Conch Key.

    77 S 77 Conch Ave, Conch Key, FL 33050
    View details
    Waterfront Land with Approved Plans
    $599,000

    Waterfront Land with Approved Plans

    Vacant land with new seawall and approved building plans.

    93 N Conch Ave, Marathon, FL 33050
    View details

    Monroe County, FL Commercial Land Investment Opportunities Market Analysis

    Explore 425 commercial land for sale in Monroe County, FL, showcased through 35 active listings on our real estate platform. These investment opportunities span a total of 3,502,274,450 square feet of properties for sale, with an estimated market value of $9,854,000.

    Prices for commercial lots in Monroe County, FL start at $275,000, averaging $1,642,333, and reaching up to $3,100,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Commercial land by market

    Browse Commercial land for Sale Near Monroe, FL

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