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    Key West, FL Office Buildings for Sale

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    Key West Mixed-Use Investment Property
    $2,999,999

    Key West Mixed-Use Investment Property

    405 Petronia St, Key West, FL 33040

    Fully rented mixed-use property in the heart of Old Town.

    • Fully rented income‑producing mixed‑use property.
    • Located in the heart of Old Town Key West.
    • Includes a 2/2 residential unit, office space, and a detached restaurant.
    • Seller financing is available.
    • Year built: 1999.
    Updated: Oct 4, 2025
    View details
    Renovated Key West Office Building
    $1,205,000

    Renovated Key West Office Building

    3140 Northside Dr, Key West, FL 33040

    Income-producing, renovated two-story office building in Key West, Florida.

    • Income‑producing property with excellent rental potential due to multiple units and a net leasable area of 2,045 SF.
    • Fully renovated with modern upgrades, including a ground floor medical practice and a spacious second‑floor office suite.
    • New metal roofing and impact‑resistant windows and doors for enhanced durability and minimized maintenance.
    • Located in a busy area of Key West on Northside Drive, surrounded by professional services with plenty of parking.
    • Versatile spaces including a bathroom and kitchenette on the ground floor, plus a bathroom and two additional units on the second floor.
    Updated: Oct 15, 2025
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    Prime Duval Street Retail Opportunity
    $39,000

    Prime Duval Street Retail Opportunity

    Two-story Key West building in the heart of the tourism district.

    130 Duval St, Key West, FL 33040
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    Based on your search, we've compiled 257 Potential Opportunities for your consideration. Besides 3 Active listings in Key West, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 250 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 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
    Cudjoe Key Commercial Building
    Contact for pricing

    Cudjoe Key Commercial Building

    Three-story commercial building on US Hwy 1 in Cudjoe Key.

    21460 Overseas Hwy, Summerland Key, FL 33042
    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
    Tavernier Business Center on US-1
    $1,499,000

    Tavernier Business Center on US-1

    Prime commercial property in Tavernier's business district with US-1 frontage.

    91760 Overseas Hwy, Plantation Key, FL 33070
    View details

    Explore Off-Market Properties in Key West, FL

    Consider similar Off-Market properties in Key West, 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.

    600 Whitehead St Ste, Unit 208

    600 Whitehead St Ste, Unit 208

    OFFICE BUILDING • 188 SF
    Value Estimation
    $160,000
    600 Whitehead St Ste, Key West, FL 33040-8379
    View details
    3625 Seaside Dr, Unit C-103

    3625 Seaside Dr, Unit C-103

    PROFESSIONAL BUILDING • 276 SF
    Value Estimation
    $340,000
    3625 Seaside Dr, Key West, FL 33040-5225
    View details
    3438 Duck Ave, Unit 1B

    3438 Duck Ave, Unit 1B

    PROFESSIONAL BUILDING • 1,112 SF
    Value Estimation
    $860,000
    3438 Duck Ave, Key West, FL 33040-4427
    View details
    1111 12th St Ste, Unit 305

    1111 12th St Ste, Unit 305

    PROFESSIONAL BUILDING • 1,161 SF
    Value Estimation
    $400,000
    1111 12th St Ste, Key West, FL 33040-3001
    View details
    402 Applerouth Lnb

    402 Applerouth Lnb

    PROFESSIONAL BUILDING • 420 SF
    Value Estimation
    $770,000
    402 Applerouth Lnb, Key West, FL 33040-6535
    View details
    1111 12th St Ste, Unit 105

    1111 12th St Ste, Unit 105

    PROFESSIONAL BUILDING • 822 SF
    Value Estimation
    $375,000
    1111 12th St Ste, Key West, FL 33040-4084
    View details
    1111 12th St Ste, Unit 204

    1111 12th St Ste, Unit 204

    PROFESSIONAL BUILDING • 1,120 SF
    Value Estimation
    $415,000
    1111 12th St Ste, Key West, FL 33040-3011
    View details
    3414 Duck Ave, Unit 9

    3414 Duck Ave, Unit 9

    PROFESSIONAL BUILDING • 2,000 SF
    Value Estimation
    $830,000
    3414 Duck Ave, Key West, FL 33040-4495
    View details
    3428 Roosevelt Blvd, Unit 1

    3428 Roosevelt Blvd, Unit 1

    PROFESSIONAL BUILDING • 691 SF
    Value Estimation
    $250,000
    3428 Roosevelt Blvd, Key West, FL 33040-4224
    View details
    1111 12th St Ste, Unit 212

    1111 12th St Ste, Unit 212

    PROFESSIONAL BUILDING • 1,128 SF
    Value Estimation
    $285,000
    1111 12th St Ste, Key West, FL 33040-3001
    View details
    1111 12th St Ste, Unit 107

    1111 12th St Ste, Unit 107

    PROFESSIONAL BUILDING • 2,095 SF
    Value Estimation
    $415,000
    1111 12th St Ste, Key West, FL 33040-4087
    View details
    1111 12th St Ste, Unit 104

    1111 12th St Ste, Unit 104

    PROFESSIONAL BUILDING • 1,593 SF
    Value Estimation
    $315,000
    1111 12th St Ste, Key West, FL 33040-4084
    View details
    1111 12th St Ste, Unit 302

    1111 12th St Ste, Unit 302

    PROFESSIONAL BUILDING • 1,671 SF
    Value Estimation
    $425,000
    1111 12th St Ste, Key West, FL 33040-3001
    View details
    3428 Roosevelt Blvd, Unit 6

    3428 Roosevelt Blvd, Unit 6

    PROFESSIONAL BUILDING • 691 SF
    Value Estimation
    $275,000
    3428 Roosevelt Blvd, Key West, FL 33040-4224
    View details
    3428 Roosevelt Blvd

    3428 Roosevelt Blvd

    PROFESSIONAL BUILDING • 2,049 SF
    Value Estimation
    $720,000
    3428 Roosevelt Blvd, Key West, FL 33040-4224
    View details
    3148 Northside Dr, Unit J

    3148 Northside Dr, Unit J

    PROFESSIONAL BUILDING • 1,025 SF
    Value Estimation
    $360,000
    3148 Northside Dr, Key West, FL 33040-8022
    View details
    1111 12th St Ste, Unit 201

    1111 12th St Ste, Unit 201

    PROFESSIONAL BUILDING • 1,348 SF
    Value Estimation
    $255,000
    1111 12th St Ste, Key West, FL 33040-4087
    View details
    1111 12th St Ste, Unit 301

    1111 12th St Ste, Unit 301

    PROFESSIONAL BUILDING • 1,098 SF
    Value Estimation
    $380,000
    1111 12th St Ste, Key West, FL 33040-3001
    View details
    1111 12th St Ste, Unit 205

    1111 12th St Ste, Unit 205

    PROFESSIONAL BUILDING • 1,157 SF
    Value Estimation
    $380,000
    1111 12th St Ste, Key West, FL 33040-3001
    View details
    1111 12th St Ste, Unit 407

    1111 12th St Ste, Unit 407

    PROFESSIONAL BUILDING • 7,007 SF
    Value Estimation by Request
    1111 12th St Ste, Key West, FL 33040-3005
    View details
    1111 12th St Ste, Unit 211

    1111 12th St Ste, Unit 211

    PROFESSIONAL BUILDING • 884 SF
    Value Estimation
    $390,000
    1111 12th St Ste, Key West, FL 33040-3001
    View details

    Key West, FL Office Buildings Investment Opportunities Market Analysis

    Explore 253 office buildings for sale in Key West, FL, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 6,318,245 square feet of properties for sale, with an estimated market value of $66,015,000.

    Prices for office properties in Key West, FL start at $65,000, averaging $356,837, and reaching up to $4,105,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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