Long Key, FL
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Property Types
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price
    $
    $

    Long Key, FL Specialty Properties for Sale

    Notify Me
    List
    Map
    Marathon, FL Islamorada, FL Duck Key, FL
    Waterfront Watersports Business Opportunity
    $449,000
    800 SF

    Waterfront Watersports Business Opportunity

    68200 Overseas Highway, Long Key, FL 33001

    Established Florida Keys watersports business for sale, equipment included.

    • Established Florida Keys watersports business for sale, offering immediate operational capability.
    • Includes business name, goodwill, operating equipment, boat/trailer inventory, and digital assets.
    • Long‑term lease agreement available for office space, dock, and seawall area.
    • Waterfront location provides direct access for watersports activities.
    • Turnkey opportunity for an owner‑operator.
    Updated: Mar 12
    View details
    Seafood Business Opportunity in Conch
    $4,100,000
    670 SF

    Seafood Business Opportunity in Conch

    15 Seaview Avenue, Conch Key, FL 33050

    Commercial property with seafood business potential in Conch Key, Florida.

    • New dock being added.
    • Concrete construction.
    • Concrete flooring.
    • Includes business property.
    • Available May 1, 2026 or after.
    Updated: Aug 30, 2025
    View details
    Hotel/Motel,Marina,Mobile Home Park - Conch Key, FL
    $5,750,000
    826 SF

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

    Rare Florida Keys island with entitlements and development flexibility.

    62250 Overseas Hwy Little Conch Is, Conch Key, FL 33050
    View details
    Conch Key Commercial Opportunity
    $2,950,000
    1,000 SF

    Conch Key Commercial Opportunity

    Commercial property with fish house, dockage, and equipment.

    15 Seaview Avenue, Conch Key, FL 33050
    View details
    Based on your search, we've compiled 12 Potential Opportunities for your consideration. Besides 4 Active listings in Long Key, 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.

    Oversized Boat Slip with Tiki
    $920,000

    Oversized Boat Slip with Tiki

    Rare oversized boat slip in Marathon's Coco Plum Beach.

    100 Avenue I, Marathon, FL 33050
    View details
    Profitable Marina & Unique Resort
    $8,500,000
    1,069 SF

    Profitable Marina & Unique Resort

    Profitable marina and resort with significant income potential.

    200 Treasure Harbor Drive, Plantation Key, FL 33036
    View details
    Treasure Harbor Marina Business Opportunity
    $8,500,000
    1,069 SF

    Treasure Harbor Marina Business Opportunity

    Marina business for sale in Plantation Key, Florida.

    200 Treasure Harbor Dr., Plantation Key, FL 33036
    View details
    Grassy Key Marina Investment
    $9,900,000
    22,000 SF

    Grassy Key Marina Investment

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

    59073 Overseas Hwy, Marathon, FL 33050
    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 Land in Marathon, Florida
    $1,550,000
    0.26 Acres

    Waterfront Land in Marathon, Florida

    Buildable waterfront lot with ocean access in Marathon, Florida.

    248 Pescayo Avenue, Marathon, FL 33050
    View details
    Gulf Front Estate in Marathon
    $9,950,000
    10,852 SF

    Gulf Front Estate in Marathon

    3.86-acre mixed-use commercial property with highway and water frontage.

    6500-6600 Overseas Highway, Marathon, FL 33050
    View details
    20 Acres Waterfront Land Parcel
    $800,000
    20.00 Acres

    20 Acres Waterfront Land Parcel

    20-acre parcel with saltwater lake, potential reef restoration project.

    33000 Old State Road 4A, No Name Key, FL 33043
    View details
    Key Largo Vacant Lot
    $250,000
    0.13 Acres

    Key Largo Vacant Lot

    Vacant lot near oceanfront park with boat ramp.

    190 Dove Creek Drive, Key Largo, FL 33070
    View details

    Long Key, FL Specialty Properties Investment Opportunities Market Analysis

    Explore 4 specialty properties for sale in Long Key, FL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 3,296 square feet of properties for sale, with an estimated market value of $13,249,000.

    Sale prices for properties in Long Key, FL start at $449,000, averaging $3,312,250, and reaching up to $5,750,000 — 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

    Demographics Overview

    Population 254
    Median Household Income $60,750
    College Educated 33.5%

    Need Help?

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