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    Key Colony Beach, FL
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    Key Colony Beach, FL Residential Income Properties for Sale

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    Marathon, FL Conch Key, FL Duck Key, FL No Name Key, FL Islamorada, FL Big Pine Key, FL
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    Waterfront Duplex with Dockage
    Updated: Apr 2
    Waterfront Duplex with Dockage

    Key Colony Beach, FL 33051

    $1,185,000
    2,166 sqft 0.09 AC lot
    2,166‑square‑foot half duplex with three bedrooms and three bathrooms
    37.5 feet of dockage with direct access from the lower‑level living area
    Above‑flood lower level includes a one‑bedroom, one‑bath suite and additional living space
    2018 standing‑seam metal roof and newer AC
    CBS construction on a 0.09‑acre lot
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    This listing looks promising.

    Here's a quick look at some key insights for

    391 10th Street, Key Colony, FL 33051

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    • Est. Cap Rate

      3.1%
      NOI ÷ price

    • Est. NOI

      $36K
      Annual

    • Price @ 7% Cap

      $518K
      Suggested

    • Property Type

      Single Family Residence
      Built 1988
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    Waterfront Short-Term Rental Duplex
    Updated: Jun 16
    Waterfront Short-Term Rental Duplex

    Key Colony Beach, FL 33051

    $1,295,000
    1,500 sqft 0.08 AC lot
    Renovated 3BR/3BA half‑duplex with 1,500 square feet of interior space
    40 feet of seawall with up to 25 feet of dockage
    Private pool and waterfront position on a deep‑water canal
    Three bedrooms feature en‑suite bathrooms and private balconies
    CBS construction, impact windows, and a metal roof
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    Waterfront Residential Income Property
    Waterfront Residential Income Property

    Key Colony Beach, FL 33051

    $889,000
    975 sqft 0.05 AC lot

    Renovated two-bedroom half-duplex with private dock access, balconies, and covered parking.

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    Updated Duplex with Metal Roof
    Updated Duplex with Metal Roof

    Key Colony Beach, FL 33051

    $594,000
    1,031 sqft 0.08 AC lot

    Elevated two-bedroom half duplex with two bathrooms, a granite-finished kitchen, private balcony, and flexible lower-level living area.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Half-Duplex with Dockage
    Half-Duplex with Dockage

    Key Colony Beach, FL 33051

    $789,000
    900 sqft 0.07 AC lot

    Half-duplex in R-1B zoning with ductless HVAC, granite counters, and access to 30 feet of dockage.

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    Waterfront Duplex with Boat Dock
    Waterfront Duplex with Boat Dock

    Key Colony Beach, FL 33051

    $1,849,000
    2,540 sqft 0.15 AC lot

    Renovated duplex offers two fully equipped units, with a 60-foot deep-water dock and 2022 boat lift.

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    Canal-Front Duplex With Pool
    Canal-Front Duplex With Pool

    Key Colony Beach, FL 33051

    $2,845,000
    4,478 sqft 0.19 AC lot

    Canal-front duplex with two units, impact windows and doors, and a heated pool with spa and dockage.

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    Furnished Canal-Front Half Duplex
    Furnished Canal-Front Half Duplex

    Key Colony Beach, FL 33051

    $989,000
    1,062 sqft 0.10 AC lot

    Turnkey, fully furnished 2-bedroom, 2-bath half duplex with a screened patio and Jacuzzi on a canal.

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    Single-Family Home with Private Dock
    Single-Family Home with Private Dock

    Key Colony Beach, FL 33051

    $1,290,000
    1,682 sqft 0.10 AC lot

    Updated 3-bedroom home with an open layout, deck, and private dock featuring a 10,000-lb lift.

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    Waterfront Single-Family Home
    Waterfront Single-Family Home

    Key Colony Beach, FL 33051

    $899,995
    990 sqft 0.10 AC lot

    Turnkey furnished waterfront home with 37.5 feet of dockage and unrestricted ocean access, plus a 2017 roof and 2025 water heater.

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    Half-Duplex with Boat Slip
    Half-Duplex with Boat Slip

    Key Colony Beach, FL 33051

    $999,000
    1,264 sqft 0.08 AC lot

    Half-duplex with screened porch and a 30-foot boat slip offering quick ocean access.

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    Canal-Front Duplex with 75-Foot Docks
    Canal-Front Duplex with 75-Foot Docks

    Key Colony Beach, FL 33051

    $1,700,000
    2,040 sqft 0.19 AC lot

    Well-maintained duplex on a 100-foot-wide canal, featuring 75 feet of dockage and 4 bedrooms and 4 bathrooms.

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    Half Duplex with Dockage
    Half Duplex with Dockage

    Key Colony Beach, FL 33051

    $875,000
    1,020 sqft 0.19 AC lot

    Half duplex offering 42 feet of dockage with a concrete seawall and step-down dock on a 100-foot wide canal.

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    Waterfront Half Duplex
    Waterfront Half Duplex

    Key Colony Beach, FL 33051

    $838,000
    1,020 sqft 0.19 AC lot

    Half duplex on a canal with a concrete seawall, wood dock, fish cleaning station, and 2 bed/2 bath living space.

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    Duplex with Private Dock
    Duplex with Private Dock

    Key Colony Beach, FL 33051

    $1,300,000
    1,176 sqft 0.10 AC lot

    R-2A zoned waterfront duplex with a private pool, elevator, and a dock with boat lift for easy canal access.

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    Based on your search, we've compiled 24 Potential Opportunities for your consideration. Besides 15 Active listings in Key Colony Beach, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 1 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Updated Triplex with Parking
    Updated Triplex with Parking

    10833 2nd Avenue Gulf, Marathon, FL 33050

    $979,000
    2,111 sqft 0.10 AC lot

    Three leased units include two two-bedroom apartments and an efficiency with kitchenette.

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    Waterfront Short-Term Rental Compound
    Waterfront Short-Term Rental Compound

    2394 Coco Plum Drive, Marathon, FL 33050

    $11,000,000
    12,198 sqft 1.31 AC lot

    Three furnished residences feature private pools, individual docks, and direct ocean access near Coco Plum Beach.

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    Oceanfront Home on Atlantic
    Oceanfront Home on Atlantic

    101 11th Street Ocean, Lot 33, Marathon, FL 33050

    Contact for pricing
    1,000 sqft

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

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    Oceanfront Home on Atlantic
    Oceanfront Home on Atlantic

    101 11th Street Ocean, Marathon, FL 33050

    Contact for pricing
    1,000 sqft

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

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Canal Front Duplex Zoned Land
    Canal Front Duplex Zoned Land

    Key Colony Beach, FL 33051

    $2,650,000
    0.19 AC lot

    Canal front duplex zoned land with new seawall.

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    Canal Front Duplex Zoned Land
    Canal Front Duplex Zoned Land

    Key Colony Beach, FL 33051

    $2,650,000
    0.19 AC lot

    Canal front duplex zoned land with new seawall.

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    Waterfront Land with Approved Dockage
    Waterfront Land with Approved Dockage

    14 125Th Street Gulf, Marathon, FL 33050

    $3,549,000
    1.72 AC lot

    Mixed Use Commercial zoning, approved dockage, and an existing recertified building define this waterfront redevelopment site.

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    Waterfront Land with Dockage Approval
    Waterfront Land with Dockage Approval

    14 125th Street Gulf, Marathon, FL 33050

    $3,549,000
    1.72 AC lot

    Mixed-use zoning accompanies an existing raised CBS building with public water and sewer service.

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    Off-Market Properties in Key Colony Beach, FL

    Consider similar Off-Market properties in Key Colony Beach, 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.

    480 9 St
    Multifamily properties

    480 9 St, Key Colony Beach, FL 33051

    Value Estimation by Request
    View details

    Key Colony Beach, FL Residential Income Properties Market Trends and Statistics

    Explore 16 residential income properties for sale in Key Colony Beach, FL, showcased through 15 active listings on our real estate platform. These investment opportunities span a total of 23,844 square feet of properties for sale, with an estimated market value of $18,336,995.

    Sale prices for residential income properties in Key Colony Beach, FL start at $594,000, averaging $1,222,466, and reaching up to $2,845,000 — 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

    Multifamily properties 12
    Duplexes 10
    Short term rental properties 5
    Single family properties 3

    Demographics Overview

    Population 525
    Median Household Income $94,531
    College Educated 61.4%

    High-Yield Neighborhoods for Investment

    Identify Key Colony Beach submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    33051 $1.3M

    Listings Trend

    New vs delisted commercial listings in Monroe County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Monroe County

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