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    Monroe County, FL Waterfront Land for Sale

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    178 properties
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    Waterfront Duplex with Buildable Lot
    Updated: Jun 12
    Waterfront Duplex with Buildable Lot

    Big Pine Key, FL 33043

    $1,099,000
    1,888 sqft 0.33 AC lot
    140 ft of direct waterfront frontage on a 14,420 sq ft lot
    Includes a full duplex plus an additional buildable vacant lot
    Concrete dockage with 70 ft of concrete dock
    Metal roof, concrete block construction, and impact windows and doors
    Off‑street parking
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    This listing looks promising.

    Here's a quick look at some key insights for

    3836-3848 No Name Road, Big Pine, FL 33043

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    • Est. Cap Rate

      2.9%
      NOI ÷ price

    • Est. NOI

      $32K
      Annual

    • Price @ 7% Cap

      $452K
      Suggested

    • Property Type

      Single Family Residence
      Built 1966
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    Triplex and Adjacent Multifamily Lot
    Updated: Jun 15
    Triplex and Adjacent Multifamily Lot

    127 & 121 Monroe Drive, Plantation Key, FL 33070

    $2,399,000
    2,409 sqft 0.34 AC lot
    Concrete triplex at 127 Monroe Dr built in 1972: about 2,400 sq ft on a 7,500 sq ft lot with 3 rental units (1/1, 1/1, 2/2).
    Each unit includes full kitchen(s) and bath(s); interiors feature tile and laminate flooring.
    On‑site parking includes open spaces and RV parking, plus a patio for outdoor living.
    Ductless HVAC system (ductless heating and cooling); appliances include washer, dryer, dishwasher, refrigerator, oven, and microwave.
    Dock electric upgraded in 2025 with dedicated meter(s) for dock power (one on each property).
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    Commercial Waterfront Land Site
    Commercial Waterfront Land Site

    21423 Overseas Highway, Cudjoe Key, FL 33042

    $1,274,000
    1,250 sqft 0.87 AC lot

    Corner commercial land with highway frontage and an on-site CBS building for retail or storage uses.

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    Conch Key Waterfront Land Opportunity
    Conch Key Waterfront Land Opportunity

    62900 Overseas Highway, Conch Key, FL 33050

    $575,000
    5,000 sqft 0.13 AC lot

    Oceanfront land in Conch Key with direct water access.

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    Waterfront Commercial Asset with Redevelopment Potential
    Waterfront Commercial Asset with Redevelopment Potential

    74560 Overseas Hwy, Islamorada, FL 33036

    $3,349,000
    5,640 sqft 0.34 AC lot

    Waterfront commercial property with redevelopment and multiple revenue paths.

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    Multi-Family Waterfront Compound
    Multi-Family Waterfront Compound

    34 Atlantic Drive, Key Largo, FL 33037

    $2,890,000
    3,112 sqft 0.98 AC lot

    Two separate homes share direct oceanfront access and a 276-foot concrete dock for boating and watercraft use.

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    Oceanfront Lot Ready to Build
    Oceanfront Lot Ready to Build

    116 N Bounty Lane, Key Largo, FL 33037

    $2,495,000
    4,778 sqft 0.18 AC lot

    Permitted oceanfront lot in Key Largo's Buccaneer Point.

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    Waterfront Marina and Commercial Dockage
    Waterfront Marina and Commercial Dockage

    522 Caribbean Drive, Key Largo, FL 33037

    $5,400,000
    5,508 sqft 1.42 AC lot

    Deep-water dockage with direct ocean access and a commercially zoned concrete building on a sizable waterfront site.

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    Waterfront Commercial Building with Boat Slips
    Waterfront Commercial Building with Boat Slips

    90515 Old Highway, Plantation Key, FL 33070

    $1,750,000
    1,584 sqft 0.18 AC lot

    Newer four-unit waterfront commercial property with private boat slips, dedicated utilities, and off-street parking.

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    Waterfront Half-Duplex Home
    Waterfront Half-Duplex Home

    100 E 63rd Street Ocean, Marathon, FL 33050

    $895,000
    1,342 sqft 0.09 AC lot

    Recently renovated 3-bedroom, 2-bath half duplex with direct ocean access and a rebuilt 50-foot dock, offered furnished.

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    Waterfront Commercial Land with Seawall
    Waterfront Commercial Land with Seawall

    24356 Overseas Highway, Summerland Key, FL 33042

    $2,400,000
    24,000 sqft 0.55 AC lot

    Commercial waterfront land with 240 feet of concrete seawall, utilities on-site, and direct access to US 1/Overseas Hwy.

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    Waterfront Development Land with Seawall
    Waterfront Development Land with Seawall

    62250 Overseas Highway, Conch Key, FL 33050

    $5,750,000
    2,478 sqft 1.98 AC lot

    Waterfront land with concrete seawall, deep-water boat basin, and mixed-use zoning, plus licensed transient entitlements.

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    Waterfront Commercial Land Opportunity
    Waterfront Commercial Land Opportunity

    Islamorada, FL 33036

    $1,149,000
    0.31 AC lot

    Waterfront commercial land with dockage and ocean views in Florida.

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    Waterfront Mixed-Use Development Land
    Waterfront Mixed-Use Development Land

    13759 Overseas Highway, Marathon, FL 33050

    $3,900,000
    124,300 sqft

    Waterfront uplands with four building rights and bay bottom ownership, highway frontage, and multiple access points.

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    Direct Oceanfront Residential Land Lot
    Direct Oceanfront Residential Land Lot

    229 Coral Road, Plantation Key, FL 33036

    $1,595,000
    0.48 AC lot

    Direct oceanfront homesite with an active building permit and permits addressing mangrove height limits.

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    Corner Waterfront Land Parcel
    Corner Waterfront Land Parcel

    319 Tuskegee Street, Marathon, FL 33050

    $239,000
    0.06 AC lot

    Vacant, cleared corner lot with water views in Marathon, positioned near multiple community and retail uses.

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    Waterfront Land with 100-Foot Dockage
    Waterfront Land with 100-Foot Dockage

    Islamorada, FL 33036

    $1,149,000
    0.31 AC lot

    Waterfront commercial parcel with canal frontage, open ocean views, and substantial dockage for boating-focused businesses.

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    Canal-Front Vacant Land with Permits
    Canal-Front Vacant Land with Permits

    28587 Peg Leg Road, Little Torch Key, FL 33042

    $595,000
    0.14 AC lot

    Vacant waterfront lot with a building permit in process and complete dock and residential architectural plans included.

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    Waterfront Buildable Land
    Waterfront Buildable Land

    16 Tarpon Avenue, Key Largo, FL 33037

    $675,000
    15,000 sqft 0.34 AC lot

    Build-ready waterfront lot with permits and approved plans for a coastal residence including multiple outdoor living areas.

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    Canal-Front Waterfront Building Site
    Canal-Front Waterfront Building Site

    28597 Peg Leg Road, Little Torch Key, FL 33042

    $595,000
    0.16 AC lot

    Corner lot waterfront land with open water views and active permits for a custom residence and dock.

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    Oceanfront Waterfront Land Parcel
    Oceanfront Waterfront Land Parcel

    94 Sunrise Drive, Marathon, FL 33050

    $2,899,000
    0.92 AC lot

    Ocean- and canal-front lot in a gated community with extensive beach frontage and potential for dockage on two sides.

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    Waterfront Buildable Land Lot
    Waterfront Buildable Land Lot

    5 Stillwright Way, Key Largo, FL 33037

    $1,250,000
    0.17 AC lot

    Waterfront lot in an improved subdivision with an active building permit and access to Florida Bay via canal.

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    Canal-Front Residential Land with Dock
    Canal-Front Residential Land with Dock

    16841 Driftwood Lane, Sugarloaf Key, FL 33042

    $599,000
    0.27 AC lot

    Buildable canal-front lot with an approved 70-foot concrete dock for boating access to open water.

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    Waterfront Development Site with Dockage
    Waterfront Development Site with Dockage

    14 125th Street Gulf, Marathon, FL 33050

    $3,549,000
    1.72 AC lot

    Waterfront property with approved deep-water dockage and conditional use approval for 10 units plus 4 staff group home units.

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    Monroe County, FL Waterfront Land Market Trends and Statistics

    Explore 178 waterfront land for sale in Monroe County, FL, showcased through 178 active listings on our real estate platform. These investment opportunities span a total of 2,131,984,643 square feet of properties for sale, with an estimated market value of $377,290,889.

    Sale prices for water rights properties in Monroe County, FL start at $85,000, averaging $2,168,338, and reaching up to $30,000,000 — 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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