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    Marathon, FL
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    Marathon, FL Marinas for Sale

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    Waterfront Marina Boat Slip
    Updated: Apr 24
    Waterfront Marina Boat Slip

    100 Avenue I, Marathon, FL 33050

    $920,000
    Oversized boat slip in Coco Plum Beach Yacht Club (Coco Plum Beach neighborhood of Marathon)
    22' x 80' slip with 65' dock, positioned on the oceanside for direct, bridge‑free open water access
    Located at the end of a secure, gated section of the marina for added privacy
    Includes electric, water, and pump‑out services, plus a dedicated storage unit for boating gear
    Features an 11' x 30' tiki hut for outdoor living just steps from the vessel
    View details
    Waterfront Marina Slip Land
    Updated: Jul 15
    Waterfront Marina Slip Land

    35 Sombrero Boulevard, Marathon, FL 33050

    $259,000
    50' live‑aboard boat slip at Sombrero Marina accommodates boats up to 55' length
    Current rental income of $1,600/mo for a slip of this size
    Includes one allocated parking space; parking feature listed as assigned
    Sombrero Marina offers additional showers, restroom, and laundry for use
    Dockmaster assistance available for renting the slip out when not in use
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    Liveaboard Marina Waterfront Land
    Liveaboard Marina Waterfront Land

    1466 Overseas Highway, Marathon, FL 33050

    $175,000

    Private marina property with 24 liveaboard slips, 30/50 amp power pedestals, and clubhouse facilities.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Ocean-Side Marina Development Land
    Ocean-Side Marina Development Land

    13900 OVERSEAS HWY, Marathon, FL 33050

    $13,000,000
    20.00 AC lot

    Over 20 acres with an operating marina and storage, positioned for redevelopment on the ocean side.

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    Marina Boat Slip with Live-Aboard Approval
    Marina Boat Slip with Live-Aboard Approval

    100 Ave I, Marathon, FL 33050

    $375,000

    Oversized boat slip offers ocean-side access, secured marina placement, and live-aboard approval with dedicated storage and a tiki hut.

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    Oversized Boat Slip with Live-Aboard Approval
    Oversized Boat Slip with Live-Aboard Approval

    100 Ave I, Marathon, FL 33050

    $375,000

    Oversized marina slip in a gated section with live-aboard approval and direct ocean-side access.

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    Live-A-Board Marina Slip Pair
    Live-A-Board Marina Slip Pair

    100 Ave I, #35 & 36, Marathon, FL 33050

    $410,000

    Two adjacent marina slips with on-site laundry, bathhouse, and mail, positioned for direct Atlantic Ocean access.

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    Grassy Key Marina Investment
    Grassy Key Marina Investment

    59073 Overseas Hwy, Marathon, FL 33050

    $9,900,000
    22,000 sqft

    Marina with rental income, apartments, and potential for growth.

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    Based on your search, we've compiled 16 Potential Opportunities for your consideration. Besides 8 Active listings in Marathon, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, 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.

    Florida Keys Watersports Business Opportunity
    Florida Keys Watersports Business Opportunity

    68200 Overseas Highway, Long Key, FL 33001

    $415,000
    800 sqft 0.19 AC lot

    Established watersports business for sale in the Florida Keys.

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    Conch Key Commercial Opportunity
    Conch Key Commercial Opportunity

    15 Seaview Avenue, Conch Key, FL 33050

    $2,950,000
    1,000 sqft 0.64 AC lot

    Commercial property with fish house, dockage, and equipment.

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    Hotel/Motel,Marina,Mobile Home Park - Conch Key, FL
    Hotel/Motel,Marina,Mobile Home Park - Conch Key, FL

    62250 Overseas Hwy Little Conch Is, Conch Key, FL 33050

    $5,750,000
    826 sqft 1.98 AC lot

    Rare Florida Keys island with entitlements and development flexibility.

    View details
    Waterfront Marina Property
    Waterfront Marina Property

    68200 Overseas Highway, Long Key, FL 33001

    $415,000

    For-sale marina offering commercial waterfront operations in Monroe County, accessed via Overseas Highway.

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    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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    Waterfront Land Parcel with Private Lake
    Waterfront Land Parcel with Private Lake

    33000 Old State Road 4A, No Name Key, FL 33043

    $800,000
    20.00 AC lot

    20-acre parcel featuring a 17-acre saltwater lake, with development prohibited and no home or commercial use allowed.

    View details
    RV Lot with Concrete Seawall
    RV Lot with Concrete Seawall

    551-701 Spanish Main Dr, Cudjoe Key, FL 33042

    $430,000

    RV lot in gated community with boating access.

    View details
    Waterfront Island Land Parcel
    Waterfront Island Land Parcel

    Key West, FL 33040

    $495,000
    38.00 AC lot

    Offshore island zoned land in the Florida Keys, offering bay-side privacy for conservation or resort-style concepts.

    View details

    Marathon, FL Marinas Market Trends and Statistics

    Explore 8 marinas for sale in Marathon, FL, showcased through 8 active listings on our real estate platform. These investment opportunities span a total of 22,000 square feet of properties for sale, with an estimated market value of $9,900,000.

    Sale prices for boat yards in Marathon, FL start at $9,900,000, averaging $9,900,000, and reaching up to $9,900,000 — 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

    Marinas 11
    NNN properties 2
    1031 exchange properties 1

    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 $5.5M

    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)

    Average Property Price per SF

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

    Retail

    Residential Income

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