Advertise
    Key Colony Beach, FL
    Residential Income

    Key Colony Beach, FL Residential Income Properties for Sale

    Notify Me
    List
    Map
    Marathon, FL Conch Key, FL Duck Key, FL
    Waterfront Duplex with Rental Potential
    Updated: Apr 4
    Waterfront Duplex with Rental Potential

    Key Colony Beach, FL 33051

    $1,849,000
    2,540 sqft · 0.15 AC lot
    Waterfront duplex with deep water dockage (60 ft), new 15K lbs boat lift (2022), and extra‑wide canal.
    Excellent rental income opportunity with 7‑day rentals allowed.
    New (2022) heated and chilled saltwater pool with cool deck.
    Located in Key Colony Beach, a NO HOA municipality, with access to amenities.
    Extensive upgrades including a new roof (2013), hurricane shutters (2021), upgraded electrical system (2022), mini‑split AC (2021), flooring, doors, and windows.
    View details
    Canal-Front Duplex with Interior Lockout
    Updated: Dec 22, 2025
    Canal-Front Duplex with Interior Lockout

    Key Colony Beach, FL 33051

    $2,845,000
    4,478 sqft · 0.19 AC lot
    7‑bedroom, 7‑bath CBS home built in 1985 with legal‑duplex flexibility via an interior lockout
    Heated private pool and spa with covered poolside lanai, plus outdoor shower and storage
    75 feet of concrete dockage with quick boating access to the Atlantic Ocean and Gulf of America
    Central air cooling, metal roof, and impact windows and doors
    Main residence plus private 2BR/2BA guest wing; water‑facing balconies and multiple dining areas
    View details
    Key Colony Duplex with Dockage
    Key Colony Duplex with Dockage

    Key Colony Beach, FL 33051

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

    Well-maintained duplex with exceptional dockage in Key Colony Beach.

    View details
    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Waterfront Duplex: Income and Flexibility
    Waterfront Duplex: Income and Flexibility

    Key Colony Beach, FL 33051

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

    Turnkey waterfront duplex generating approximately $100K/year in rental income.

    View details
    Based on your search, we've compiled 13 Potential Opportunities for your consideration. Besides 4 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 Redevelopment Opportunity in Marathon
    Waterfront Redevelopment Opportunity in Marathon

    14 125Th Street Gulf, Marathon, FL 33050

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

    Rare waterfront property with redevelopment potential and deep water dockage.

    View details
    Waterfront Redevelopment Opportunity with Dockage
    Waterfront Redevelopment Opportunity with Dockage

    14 125th Street Gulf, Marathon, FL 33050

    $3,549,000
    6,128 sqft · 1.72 AC lot

    Rare waterfront redevelopment site with deep water dockage and highway frontage.

    View details
    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.

    View details
    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.

    View details
    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.

    View details
    Waterfront Redevelopment Opportunity in Marathon
    Waterfront Redevelopment Opportunity in Marathon

    14 125Th Street Gulf, Marathon, FL 33050

    $3,549,000
    6,128 sqft · 1.72 AC lot

    Rare waterfront property with deep water dockage and highway frontage.

    View details
    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.

    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
    View details

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

    Explore 5 residential income properties for sale in Key Colony Beach, FL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 11,586 square feet of properties for sale, with an estimated market value of $8,242,000.

    Sale prices for residential income properties in Key Colony Beach, FL start at $1,700,000, averaging $2,060,500, 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.

    List
    Map

    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 4
    Multifamily properties 4
    Short term rental properties 3
    Single family properties 1

    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

    Retail

    Residential Income

    Need Help?

    Reach out if you need assistance with Realmo tools or have questions about your listings

    Contact Us

    Popular Searches in Key Colony Beach, FL

    Most Searched ZIP Codes in Key Colony Beach, FL

    • 33051

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!