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    Key Colony Beach, FL
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    Key Colony Beach, FL Multifamily 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 Half Duplex with Dock
    Updated: Apr 2
    Waterfront Half Duplex with Dock

    Key Colony Beach, FL 33051

    $1,225,000
    2,166 sqft 0.09 AC lot
    Concrete half‑duplex built in 1988 with over 2,100 SF and 3 bedrooms, 3 bathrooms
    37.5 ft of dockage with a wood deck and sliding glass doors to outdoor living
    Interior staircase connects above‑flood first floor to the main living area
    Downstairs has a 1‑bedroom, 1‑bath suite plus additional living area for guests or extended family
    Primary suite features a recently renovated bathroom with step‑in tiled shower, quartz‑topped double vanity, and tiled flooring
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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%
      NOI ÷ price

    • Est. NOI

      $36K
      Annual

    • Price @ 7% Cap

      $518K
      Suggested

    • Property Type

      Single Family Residence
      Built 1988
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    Waterfront Duplex with Dockage
    Updated: Jun 16
    Waterfront Duplex with Dockage

    Key Colony Beach, FL 33051

    $1,295,000
    1,500 sqft 0.08 AC lot
    3BR/3BA half‑duplex with 1,500 SF of renovated coastal living space (2001 construction)
    Private pool plus 40 ft of seawall with up to 25 ft of dockage on a deep‑water canal with fast ocean access
    Quartz countertops and stainless steel appliances including refrigerator, oven, dishwasher, washer, and dryer
    Each bedroom has an en‑suite bath and private balcony
    CBS construction with impact windows and a metal roof
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    Waterfront Half-Duplex With Dock
    Waterfront Half-Duplex With Dock

    Key Colony Beach, FL 33051

    $895,000
    975 sqft 0.05 AC lot

    Renovated 2BR/2BA half-duplex with impact windows, private balconies, and a deep-water pier-style dock for boats.

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    Half Duplex with Dockage
    Half Duplex with Dockage

    Key Colony Beach, FL 33051

    $789,000
    900 sqft 0.07 AC lot

    Remodeled half duplex includes impact-rated entry doors, double-pane impact windows, and 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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    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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    Waterfront Single-Family Residence
    Waterfront Single-Family Residence

    Key Colony Beach, FL 33051

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

    Waterfront home with a screened porch, inground pool, and a 37.5-foot dock with boat lift.

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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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    Turnkey Waterfront Duplex Income Property
    Turnkey Waterfront Duplex Income Property

    Key Colony Beach, FL 33051

    $1,848,000
    2,528 sqft 0.16 AC lot

    Fully furnished duplex with two private 3BD/2BA units, parking, and 60 ft of deep-water dockage on a wide canal.

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    Based on your search, we've compiled 21 Potential Opportunities for your consideration. Besides 12 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.

    Waterfront Mixed-Use Redevelopment Site
    Waterfront Mixed-Use Redevelopment Site

    14 125Th Street Gulf, Marathon, FL 33050

    $3,549,000
    6,128 sqft 1.57 AC lot

    Approved deep-water dockage and 200' highway frontage with a recertified two-story CBS building and outdoor porches.

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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 site with deep-water dockage approval and an existing recertified two-story CBS building.

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    Oceanfront Home on Atlantic
    Oceanfront Home on Atlantic

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

    $629,000
    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.

    Mixed-Use Gulffront Estate with Dock
    Mixed-Use Gulffront Estate with Dock

    6500-6600 Overseas Highway, Marathon, FL 33050

    $9,500,000
    10,852 sqft 3.86 AC lot

    Gulffront mixed-use property with gated entrances, concrete dockage, and a 10,852 SF concrete mansion needing repairs.

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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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    Land For Sale
    Land For Sale

    Summerland Key, FL 33042

    $249,000

    Land available north of US-1, Little Torch, Florida.

    View details
    Land in Little Torch Key
    Land in Little Torch Key

    27935 Tarpon Terrace, Little Torch Key, FL 33042

    $320,000
    0.10 AC lot

    Residential land available in Little Torch Key, Florida.

    View details

    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
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    Key Colony Beach, FL Multifamily Properties Market Trends and Statistics

    Explore 13 multifamily properties for sale in Key Colony Beach, FL, showcased through 12 active listings on our real estate platform. These investment opportunities span a total of 21,577 square feet of properties for sale, with an estimated market value of $16,519,995.

    Sale prices for multifamily properties in Key Colony Beach, FL start at $789,000, averaging $1,376,666, 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

    Duplexes 12
    Short term rental properties 4

    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 $2.1M

    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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    Residential Income

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