Sign Up Successful!
You now have access to more from Realmo!
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Marathon, FL Office Properties & Spaces for Sale

    Notify Me
    List
    Map
    Marathon Retail/Office Space Available
    $850,000

    Marathon Retail/Office Space Available

    5800 Overseas Hwy, Marathon, FL 33050

    Premium office space in Marathon's busy retail shopping center.

    • 2,800 sq. ft. of premium office space in a prime location.
    • Located in the heart of Marathon's business district within a busy retail shopping center.
    • Excellent highway visibility and ample parking.
    • Engineered flooring and quality lighting throughout.
    • Includes a welcoming reception area and built‑in cabinetry.
    Updated: Dec 8, 2025
    View details
    Improved Medical Suite For Sale
    $1,100,000
    4,139 SF

    Improved Medical Suite For Sale

    5701 Overseas Hwy, Marathon, FL 33050

    Well-maintained 4,139 SF medical suite in Marathon, Florida.

    • Fully Improved Medical Suite: Ready for immediate use.
    • Sizeable Suite: ± 4,139 SF provides ample space.
    • Ample Parking: 60 spaces available.
    • Mixed‑Use Commercial Zoning: Offers flexibility.
    • Low Property Taxes: $1,050 per year.
    View details
    Based on your search, we've compiled 58 Potential Opportunities for your consideration. Besides 2 Active listings in Marathon, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 52 Off-Market properties to explore as potential leads

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Cudjoe Key Commercial Building
    $1,300,000

    Cudjoe Key Commercial Building

    Commercial building with established business and residential rental income.

    22814 Overseas Hwy, Summerland Key, FL 33042
    View details
    Cudjoe Key Commercial Building Space
    Contact for pricing

    Cudjoe Key Commercial Building Space

    Three-story commercial building with office and retail space for sale.

    21460 Overseas Hwy, Summerland Key, FL 33042
    View details
    Luxury Mixed-Use Commercial Property
    $1,899,000

    Luxury Mixed-Use Commercial Property

    High-visibility mixed-use property with flexible commercial/residential options.

    87847 Overseas Hwy, Plantation Key, FL 33036
    View details
    Two-Story Office Building in Islamorada
    $1,195,000

    Two-Story Office Building in Islamorada

    Two-story Key West-inspired building with income potential in Islamorada.

    88101 Old Hwy, Plantation Key, FL 33036
    View details

    Explore Off-Market Properties in Marathon, FL

    Consider similar Off-Market properties in Marathon, 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.

    10045 Overseas Hwy

    10045 Overseas Hwy

    Medical offices • 14,000 SF
    Value Estimation by Request
    10045 Overseas Hwy, Marathon, FL 33050
    View details
    10055 Overseas Hwy

    10055 Overseas Hwy

    Medical offices • 14,000 SF
    Value Estimation by Request
    10055 Overseas Hwy, Marathon, FL 33050
    View details
    1 Boot Key Rd

    1 Boot Key Rd

    OFFICE BUILDING • 3,136 SF
    Value Estimation
    $315,000
    1 Boot Key Rd, Marathon, FL 33050
    View details
    13688 Overseas Hwy

    13688 Overseas Hwy

    OFFICE BUILDING • 860 SF
    Value Estimation
    $310,000
    13688 Overseas Hwy, Marathon, FL 33050-3552
    View details
    5701 Overseas Hwy Ste, Unit 14

    5701 Overseas Hwy Ste, Unit 14

    PROFESSIONAL BUILDING • 697 SF
    Value Estimation
    $365,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 12

    5701 Overseas Hwy Ste, Unit 12

    PROFESSIONAL BUILDING • 852 SF
    Value Estimation
    $345,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 2

    5701 Overseas Hwy Ste, Unit 2

    PROFESSIONAL BUILDING • 947 SF
    Value Estimation
    $230,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 5

    5701 Overseas Hwy Ste, Unit 5

    PROFESSIONAL BUILDING • 947 SF
    Value Estimation
    $275,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 13

    5701 Overseas Hwy Ste, Unit 13

    PROFESSIONAL BUILDING • 852 SF
    Value Estimation
    $350,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 8

    5701 Overseas Hwy Ste, Unit 8

    PROFESSIONAL BUILDING • 852 SF
    Value Estimation
    $360,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    11100 Overseas Hwy

    11100 Overseas Hwy

    OFFICE BUILDING (MULTI-STORY) • 5,084 SF
    Value Estimation by Request
    11100 Overseas Hwy, Marathon, FL 33050-3461
    View details
    5701 Overseas Hwy Ste, Unit 10

    5701 Overseas Hwy Ste, Unit 10

    PROFESSIONAL BUILDING • 852 SF
    Value Estimation
    $365,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 15

    5701 Overseas Hwy Ste, Unit 15

    PROFESSIONAL BUILDING • 697 SF
    Value Estimation
    $235,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 3

    5701 Overseas Hwy Ste, Unit 3

    PROFESSIONAL BUILDING • 947 SF
    Value Estimation
    $285,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 7

    5701 Overseas Hwy Ste, Unit 7

    PROFESSIONAL BUILDING • 947 SF
    Value Estimation
    $325,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 4

    5701 Overseas Hwy Ste, Unit 4

    PROFESSIONAL BUILDING • 947 SF
    Value Estimation
    $225,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 6

    5701 Overseas Hwy Ste, Unit 6

    PROFESSIONAL BUILDING • 947 SF
    Value Estimation
    $320,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    5701 Overseas Hwy Ste, Unit 9

    5701 Overseas Hwy Ste, Unit 9

    PROFESSIONAL BUILDING • 852 SF
    Value Estimation
    $390,000
    5701 Overseas Hwy Ste, Marathon, FL 33050-2784
    View details
    10095 Overseas Hwy

    10095 Overseas Hwy

    OFFICE BUILDING • 10,288 SF
    Value Estimation
    $3,270,000
    10095 Overseas Hwy, Marathon, FL 33050-3336
    View details
    5170 Overseas Hwy

    5170 Overseas Hwy

    OFFICE BUILDING (MULTI-STORY) • 8,670 SF
    Value Estimation by Request
    5170 Overseas Hwy, Marathon, FL 33050-2624
    View details
    11050 Overseas Hwy

    11050 Overseas Hwy

    OFFICE BUILDING (MULTI-STORY) • 6,566 SF
    Value Estimation by Request
    11050 Overseas Hwy, Marathon, FL 33050-3459
    View details
    11187 Overseas Hwy

    11187 Overseas Hwy

    OFFICE BUILDING • 2,098 SF
    Value Estimation
    $480,000
    11187 Overseas Hwy, Marathon, FL 33050-3460
    View details

    Marathon, FL Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 54 office properties & spaces for sale in Marathon, FL on our real estate platform. These investment opportunities span a total of 2,183,559 square feet of properties for sale, with an estimated market value of $19,290,000.

    Prices for office spaces in Marathon, FL start at $205,000, averaging $470,487, and reaching up to $3,455,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

    List
    Map

    Browse Office Properties & Spaces for Sale Near Marathon, FL

    Popular Searches in Marathon, FL

    Popular Categories

    Most Searched ZIP Codes in Marathon, FL

    • 33050

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Create New Password
    • At least 8 characters
    • Contains both letters and numbers
    • Contains uppercase and lowercase letters
    • At most 32 characters
    • Password required
    • Password reset link has expired. Please request a new one.