Monroe County, FL Office Buildings for Sale

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Updated: Sep 17, 2025

Two-Story Highway Commercial Office Building

88101 Old Highway, Plantation Key, FL 33036

$999,999

2,244 sqft 0.14 AC lot

Mixed‑use highway commercial zoning in Islamorada allows for flexible usage and income potential.
Two‑story building offers both owner‑occupied office space and rental income opportunities.
High visibility with 50 feet of frontage on the Overseas Highway.
Seven private offices and two conference rooms provide ample workspace.
Conveniently located in the Upper Keys, close to amenities and services.

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This listing looks promising.

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88101 Old Highway, Plantation Key, FL 33036

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Est. Cap Rate

4.2%
NOI ÷ price
Est. NOI

$42K
Annual
Mortgage

$250K
Oct 1998
Last Sold

Jun 2021
$600K
Property Type

Office Building (Multi-Story)
Built 1991

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Updated: Jun 19

Single-Story Office Corner Building

701 Simonton Street, Key West, FL 33040

$1,850,000

1,745 sqft 0.15 AC lot

1,745 SF single‑story commercial building on a 6,510 SF lot at the corner of Simonton and Angela St in Old Town Key West
Drive‑through parking layout with 8+ off‑street parking spaces
Floor plan includes 5 private offices, reception/lobby area, and storage
Central air conditioning with heat pump and ductless (heating); security system included
Metal roof; frame and combo construction; carpet and tile flooring

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Concrete Commercial Building with Impact Windows

88701 Overseas Highway, Plantation Key, FL 33070

$2,400,000

1,957 sqft 0.28 AC lot

Solid concrete commercial building with impact windows and doors, zoned CG - General Commercial with ample parking.

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Stock Island Mixed-Use Opportunity

5580 1st Avenue, Stock Island, FL 33040

$2,200,000

2,040 sqft 0.57 AC lot

25,000 SF mixed-use property with redevelopment potential near Key West.

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Key Largo Commercial Property For Sale

91760 Overseas Highway, Key Largo, FL 33070

$1,469,000

2,562 sqft 0.16 AC lot

Prime commercial property with US-1 frontage in the heart of Tavernier.

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Concrete Office Building with Showroom

88701 Overseas Highway, Plantation Key, FL 33070

$2,400,000

1,957 sqft 0.28 AC lot

Professionally built office property with impact windows and interior showroom space plus ample on-site parking.

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Renovated Office Building in Key West

3140 Northside Drive, Key West, FL 33040

$1,200,000

2,045 sqft

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

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Marina-Licensed Storage Yard

98468 Overseas Highway, #1, Key Largo, FL 33037

$2,850,000

For-sale storage yard with marina license, office and cottage on 125 feet of road frontage on the bay side.

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Based on your search, we've compiled 76 Potential Opportunities for your consideration. Besides 8 Active listings in Monroe County, FL, we suggest exploring several alternatives: similar 64 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

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.

Land For Sale Key West

$5,700,000

1.05 AC lot

1.05+ acre commercial land in high-growth Miami urban market.

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Off-Market Properties in Monroe County, FL

Consider similar Off-Market properties in Monroe County, 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.

OFFICE BUILDING

102025 Overseas Hwy, Key Largo, FL 33037-4517

$1,220,000

$640,000

Estimated value

2,440 sqft 0.24 AC lot

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PROFESSIONAL BUILDING

9705 Overseas Hwy, Marathon, FL 33050-3342

Value Estimation by Request

952 sqft 1.08 AC lot

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OFFICE BUILDING

101925 Overseas Hwy, Key Largo, FL 33037-4586

$1,875,000

Estimated value

5,600 sqft 0.61 AC lot

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OFFICE BUILDING

100150 Overseas Hwy, Key Largo, FL 33037-2510

Value Estimation by Request

2,436 sqft 1.63 AC lot

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PROFESSIONAL BUILDING

3154 Northside Dr, Key West, FL 33040-8007

Unit M

Value Estimation by Request

1,025 sqft 1.76 AC lot

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OFFICE BUILDING

19980 Overseas Hwy, Sugarloaf Key, FL 33042-3166

Value Estimation by Request

2,520 sqft 1.72 AC lot

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Monroe County, FL Office Buildings Market Trends and Statistics

Explore 72 office buildings for sale in Monroe County, FL, showcased through 8 active listings on our real estate platform. These investment opportunities span a total of 14,550 square feet of properties for sale, with an estimated market value of $12,518,999.

Sale prices for office properties in Monroe County, FL start at $999,999, averaging $1,788,428, and reaching up to $2,400,000 — 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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