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    Marathon, FL
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    Marathon, FL Residential Land & Home Lots for Sale

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    Key Colony Beach, FL Duck Key, FL Conch Key, FL Islamorada, FL No Name Key, FL Big Pine Key, FL
    32 properties
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    Oceanside Lot Overlooking Coco Plum Beach
    Updated: Jun 22
    Oceanside Lot Overlooking Coco Plum Beach

    300 Coco Plum, Marathon, FL 33050

    $405,000
    0.50 AC lot
    Great Location on Major Hwy
    Rustic and Ready
    Various types of businesses will fit
    Over 2 Acres
    Fully furnished with equipment, tables, chairs etc.
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    Oceanside Lot in Marathon, Florida
    Updated: Nov 13, 2025
    Oceanside Lot in Marathon, Florida

    300 Coco Plum Drive, Marathon, FL 33050

    $405,000
    0.50 AC lot
    21,808 sq ft oceanside lot directly overlooking Coco Plum Beach.
    Unobstructed, panoramic water views.
    Rare opportunity in a sought‑after Marathon, Florida location.
    Potential for a luxury duplex, vacation escape, or investment property.
    Build steps from the beach.
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    Land, Marathon, FL
    Land, Marathon, FL

    58560 Overseas Highway, Marathon, FL 33050

    $895,000
    0.48 AC lot

    Land · 0.48 Acres

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    Duck Key Waterfront Vacant Lot
    Duck Key Waterfront Vacant Lot

    318 East Seaview Circle, Marathon, FL 33050

    $4,400,000
    0.19 AC lot

    Vacant lot on Duck Key Island with open water views.

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    Waterfront Buildable RV Lot
    Waterfront Buildable RV Lot

    6099 Overseas Highway 42E, Marathon, FL 33050

    $300,000

    Buildable waterfront RV lot with 28' of water frontage, dock space, and a screened porch with storage.

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    Land, Marathon, FL
    Land, Marathon, FL

    58550 Overseas Highway, Marathon, FL 33050

    $3,695,000
    0.43 AC lot

    Land · 0.43 Acres

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    Land, Marathon, FL
    Land, Marathon, FL

    9966 Aviation Boulevard, Marathon, FL 33050

    $799,999
    0.17 AC lot

    Residential land & home lots · 0.17 Acres

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    Waterfront Residential Homesite
    Waterfront Residential Homesite

    Vacant 3A Treasure Road, Marathon, FL 33050

    $599,000

    Build in Marathon with 65 feet of water frontage and an optional seller-provided plan set within BPAS requirements.

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    Land, Marathon, FL
    Land, Marathon, FL

    1235 83rd Street Ocean, Marathon, FL 33050

    $1,875,000
    0.27 AC lot

    Land · 0.27 Acres

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    Land, Marathon, FL
    Land, Marathon, FL

    6099 Overseas Highway, Marathon, FL 33050

    $160,000
    0.02 AC lot

    Residential land & home lots · 0.02 Acres

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    Vacant Land / Lots
    Vacant Land / Lots

    58560 Overseas Highway, Marathon, FL 33050

    $895,000

    Waterfront Land

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    Buildable RV Lot with Ocean Views
    Buildable RV Lot with Ocean Views

    6099 Overseas Highway, Marathon, FL 33050

    $225,000
    0.02 AC lot

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

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    Boat Slips, Marathon, FL
    Boat Slips, Marathon, FL

    100 Avenue I, Marathon, FL 33050

    $200,000

    Land

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    Vacant Land / Lots
    Vacant Land / Lots

    9966 Aviation Boulevard, Marathon, FL 33050

    $799,999

    Residential land & home lots

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    Boat Slips, Marathon, FL
    Boat Slips, Marathon, FL

    100 Avenue I, Marathon, FL 33050

    $200,000

    Land

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    Bay Front Buildable Lot
    Bay Front Buildable Lot

    120 Pirates Cove Drive, Marathon, FL 33050

    $499,000
    0.26 AC lot

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

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    Land
    Land

    556 Sombrero Beach Road, Marathon, FL 33050

    $1,625,000

    Waterfront Land

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    Land
    Land

    58550 Overseas Highway, Marathon, FL 33050

    $3,695,000

    Waterfront Land

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    Lot & Land
    Lot & Land

    30 W Kyle Way, Marathon, FL 33050

    $649,000

    Residential land & home lots

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    Land
    Land

    93e-6099 Overseas Hwy, Marathon, FL 33050

    $160,000

    Residential land & home lots

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    Vacant Land on Double Lots
    Vacant Land on Double Lots

    Marathon, FL 33050

    $299,000
    0.34 AC lot

    Two adjacent vacant lots in Duck Key offer 15,000 sq. ft. combined area if purchased together.

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    Vacant Land / Lots
    Vacant Land / Lots

    408 Calle Limon, Marathon, FL 33050

    $397,000

    Residential land & home lots

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    Vacant Land
    Vacant Land

    62900 Overseas Highway, Unit 53, Marathon, FL 33050

    $575,000

    Waterfront Land

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    Land
    Land

    108 Santa Barbara, Marathon, FL 33050

    $229,000

    Residential land & home lots

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    Marathon, FL Residential Land & Home Lots Market Trends and Statistics

    Explore 32 residential land & home lots for sale in Marathon, FL, showcased through 32 active listings on our real estate platform. These investment opportunities span a total of 142,515 square feet of properties for sale, with an estimated market value of $31,662,998.

    Sale prices for home sites in Marathon, FL start at $160,000, averaging $989,468, and reaching up to $4,400,000 — 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

    Commercial property segments ranked by active listings on the market

    Waterfront Land 29
    Residential land & home lots 25
    Commercial land 11

    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 average listing prices of real estate assets

    Neighborhood Average Price
    33050 $827.4K

    Taxes & Financing

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

    Listings Trend

    New vs delisted commercial listings in Monroe County

    New Delisted

    Total CRE Inventory on Market (SF)

    How Realmo verifies these figures

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