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    Marathon, FL
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    Marathon, FL Marinas for Sale

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    Key Colony Beach, FL Duck Key, FL Conch Key, FL Islamorada, FL No Name Key, FL Big Pine Key, FL
    15 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
    Oversized Marina Boat Slip
    Updated: Apr 24
    Oversized Marina Boat Slip

    100 Avenue I, Marathon, FL 33050

    $920,000
    22‑foot x 80‑foot boat slip with a 65‑foot dock
    11' x 30' tiki hut provides dedicated outdoor space
    Oceanside position with direct, bridge‑free access to open water
    Electric, water, and pump‑out services at the slip
    Dedicated storage unit for boating gear and equipment
    View details
    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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    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    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 With Clubhouse
    Liveaboard Marina With Clubhouse

    1466 Overseas Highway, Marathon, FL 33050

    $149,500

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

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    Marina Boat Slip
    Marina Boat Slip

    35 Sombrero Boulevard, Marathon, FL 33050

    $249,999

    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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    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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    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.

    View details
    Waterfront Commercial Property in Marathon
    Waterfront Commercial Property in Marathon

    38 Coco Plum Dr, Marathon, FL 33050

    $4,950,000
    0.69 AC lot

    Versatile waterfront property with mixed-use potential in the Florida Keys.

    View details
    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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    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.

    View details
    Based on your search, we've compiled 21 Potential Opportunities for your consideration. Besides 15 Active listings in Marathon, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 2 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.

    200 Treasure Harbor Dr, Islamorada, FL, 33036-3136
    200 Treasure Harbor Dr, Islamorada, FL, 33036-3136

    200 Treasure Harbor Dr, Islamorada, FL 33036

    $6,995,000
    1,219 sqft 1.09 AC lot

    Unique Marina and Resort with Deep Water Harbor and Amenities.

    View details
    Waterfront Marina Business
    Waterfront Marina Business

    68200 Overseas Highway, Long Key, FL 33001

    $415,000
    800 sqft 0.19 AC lot

    Established watersports operation with boats, trailers, equipment, inventory, and digital assets included in the sale.

    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.

    View details
    Restaurant with Bayfront Dining
    Restaurant with Bayfront Dining

    96 Madeira Road, Upper Matecumbe Key, Islamorada, FL 33036

    $18,000,000

    The sale combines the operating business and real estate, with outdoor dining, a full-service bar, and event facilities.

    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.

    Waterfront Mixed-Use Property
    Waterfront Mixed-Use Property

    6500-6600 Overseas Highway, Marathon, FL 33050

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

    MU - Mixed Use Commercial zoning supports residential and/or commercial use.

    View details
    Waterfront Land
    Waterfront Land

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

    $800,000
    20.00 AC lot

    Undevelopable lakefront parcel with controlled access and no residential or commercial use.

    View details

    Marathon, FL Marinas Market Trends and Statistics

    Explore 15 marinas for sale in Marathon, FL, showcased through 15 active listings on our real estate platform. These investment opportunities span a total of 32,889 square feet of properties for sale, with an estimated market value of $45,574,496.

    Sale prices for boat yards in Marathon, FL start at $149,500, averaging $3,505,730, 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 17
    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 $3.5M

    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)

    How Realmo verifies these figures

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