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    Marathon, FL
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    Marathon, FL Marinas for Sale

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    20 properties
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    Waterfront Mixed-Use Property
    Updated: May 9, 2025
    Waterfront Mixed-Use Property

    38 Coco Plum Drive, Marathon, FL 33050

    $4,950,000
    5,439 sqft 0.69 AC lot
    Five contiguous lots totaling approximately 30,000 square feet and 0.69 acres
    300' on Coco Plum Dr and 300 feet of waterfront
    18 boat slips with a control depth of approximately 5 feet
    MU‑M (Multi‑Use Maritime) zoning
    5,439 square feet of improvements; built in 1994
    View details
    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
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    Liveaboard Marina With Clubhouse
    Liveaboard Marina With Clubhouse

    1466 Overseas Highway, Marathon, FL 33050

    $165,000

    Private marina with liveaboard slips in a protected basin and shared resident amenities.

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    See what stands out in Monroe County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Waterfront Marina With Boat Rental Business
    Waterfront Marina With Boat Rental Business

    91 Avenue A, Marathon, FL 33050

    $5,499,997
    5,150 sqft 0.36 AC lot

    Deep-water access, dockage, marine storage, and an onsite renovated dwelling support the established operation.

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    Liveaboard Marina Slip
    Liveaboard Marina Slip

    35 Sombrero Boulevard, Marathon, FL 33050

    $275,000

    Waterfront slip with liveaboard use at Sombrero Marina, offering a dedicated place to keep and enjoy a boat.

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    Marina Boat Slip
    Marina Boat Slip

    35 Sombrero Boulevard, Marathon, FL 33050

    $259,000

    Live-aboard slip with assigned parking and access to marina showers, restrooms, and laundry facilities.

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    Oversized Boat Slip with Tiki Hut
    Oversized Boat Slip with Tiki Hut

    100 Ave I, Marathon, FL 33050

    $375,000

    Live-aboard approval accompanies direct, no-bridge access to open water.

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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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    Oversized Live-Aboard Marina Slip
    Oversized Live-Aboard Marina Slip

    100 Ave I, Marathon, FL 33050

    $375,000

    Live-aboard approval, direct ocean access, storage units, and shared marina facilities support convenient boating use.

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    Oceanfront Marina and Land
    Oceanfront Marina and Land

    13900 Overseas Hwy, Marathon, FL 33050

    $12,900,000
    300 sqft 20.00 AC lot

    Ocean-side marina and storage property on a highway corridor, offered as a redevelopment opportunity for a new operator.

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    Owned-Bottom Live-Aboard Marina Slip
    Owned-Bottom Live-Aboard Marina Slip

    35 Sombrero Boulevard, #A15, Marathon, FL 33050

    $330,000

    A-side berth with dockside utilities, harbor access, and onsite marina services.

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    Marina Lot with Dock and Storage Building
    Marina Lot with Dock and Storage Building

    271 20th Street Ocean, Marathon, FL 33050

    $1,700,000

    Marina lot with lifetime dock use, a storage or employee housing building, and a commercial boat plus fishing and trap gear.

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    Oceanfront Land and Marina Opportunity
    Oceanfront Land and Marina Opportunity

    13900 Overseas Hwy, Marathon, FL 33050

    $12,900,000
    21.00 AC lot

    Over 20 acres of land and marina in Marathon, Florida.

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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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    Waterfront Condominium Development
    Waterfront Condominium Development

    1 Kyle Way S, Marathon, FL 33050

    Contact for pricing

    Pre-construction waterfront condos in Marathon offer deeded boat slips and deeded transient rental licenses with nightly rental allowance.

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    Grassy Key Marina Investment
    Grassy Key Marina Investment

    59073 Overseas Hwy, Marathon, FL 33050

    Contact for pricing
    22,000 sqft

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

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    New Construction Marina with Gated Access
    New Construction Marina with Gated Access

    5 Sombrero Blvd, Marathon, FL 33050

    Contact for pricing

    New-construction marina offering service for larger boats within a gated, safe environment in Marathon Key.

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    Waterfront Income Property with Boat Slips
    Waterfront Income Property with Boat Slips

    101 Sombrero Boulevard, Marathon, FL 33050

    Contact for pricing

    Three licensed residences and 4 deep-water boat slips with power and water on a 75-ft concrete dock.

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    Waterfront Mixed-Use Property
    Waterfront Mixed-Use Property

    11215 Overseas Highway, Marathon, FL 33050

    Contact for pricing

    Mixed-use waterfront property with marina authorization, dockage, commercial space, and a furnished residential component.

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    Private Island Marina
    Private Island Marina

    71 Coco Plum Dr, Marathon, FL 33050

    $5,990,000
    384 sqft

    Waterfront marina property with permitted wet slips, a boat ramp, and multiple supporting buildings.

    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 20 Active Listings in Marathon, FL

    Marathon, FL Marinas Market Trends and Statistics

    Explore 20 marinas for sale in Marathon, FL, showcased through 20 active listings on our real estate platform. These investment opportunities span a total of 157,573 square feet of properties for sale, with an estimated market value of $50,948,997.

    Sale prices for boat yards in Marathon, FL start at $165,000, averaging $3,396,599, and reaching up to $12,900,000 — 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 23
    NNN properties 3
    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 $4M

    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)

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