Monroe County, FL Office Spaces for Sale

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Updated: Jul 7

Contiguous Medical Office Suites

5701 Overseas Hwy 10, Marathon, FL 33050

$725,000

2,556 sqft

3 contiguous professional office units (8, 9 & 10) totaling 2,556 SF in The First Professional Centre
Units 8 and 9 are currently configured as a combined medical office suite (852 SF each)
Unit 10 is a separate medical office (852 SF) with interior access to Units 8 & 9 for flexible use
Prominent business signage and a shared, spacious parking lot along Overseas Highway for roadside visibility
Highly visible 17‑unit CBS elevated complex on Overseas Highway in Marathon

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This listing looks promising.

Here's a quick look at some key insights for

5701 Overseas Hwy 10, Marathon, FL 33050

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Est. Cap Rate

6.7%
Above avg (5.9%)
Est. NOI

$48K
Annual
Price @ 7% Cap

$688K
Suggested

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Updated: Apr 13

Mixed-Use Building with Highway Frontage

92295 Old State Road, Key Largo, FL 33070

$2,895,000

6,241 sqft 0.86 AC lot

313 feet of US‑1 highway frontage on the northbound side
Six separate units/suites connected by exterior walkways
Approximately 6,214 sq. ft. building area on a 37,477 sq. ft. fenced lot
Each unit includes a half bathroom; two additional restrooms accessible via exterior walkways
CBS construction with central air and a metal roof

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Five-Office Commercial Unit

1421 First Street, Key West, FL 33040

$599,000

1,160 sqft 0.06 AC lot

Professional office configuration includes a restroom within CL - Limited Commercial zoning.

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Updated Corner Office Unit

1200 White Street, Key West, FL 33040

$569,000

1,169 sqft

First-floor corner office condominium with renovated interiors, impact-rated windows and doors, central air, and assigned parking.

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High-Frontage Mixed-Use Building with Suites

92295 Old State Road, #4A, Key Largo, FL 33070

$2,895,000

6,214 sqft 0.86 AC lot

Concrete mixed-use building with six exterior-access suites and extensive US-1 frontage for flexible retail, office, and medical use.

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Three-Unit Mixed-Use Condo Property

1200-1206 White Street, Key West, FL 33040

$1,489,000

3,380 sqft

Three commercial condominium units combine established occupancy with one space available for immediate use or leasing.

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Oceanfront Mixed-Use Property

Islamorada, FL 33036

$1,680,000

1,980 sqft 0.16 AC lot

Neighborhood Commercial zoning supports a flexible residential and commercial configuration with Atlantic Ocean frontage.

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Single-Story Office Building

701 Simonton Street, Key West, FL 33040

$1,850,000

1,745 sqft 0.15 AC lot

Single-story office building with five private offices, central A/C, and multiple off-street parking spaces on a corner lot.

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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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Concrete Office Building with Showroom

88701 Overseas Highway, Plantation Key, FL 33070

$2,400,000

1,957 sqft 0.28 AC lot

Two-level commercial property with office areas, product display space, parking, and General Commercial zoning.

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Mixed-Use Building with Drive-Through

11401 Overseas Highway, Marathon, FL 33050

$1,533,333

3,429 sqft 0.34 AC lot

MU - Mixed Use Commercial zoning supports office and retail use potential.

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Five-Office Commercial Condominium Unit

1421 First Street, #2, Key West, FL 33040

$599,000

1,160 sqft

Professional office condominium with five private offices, a restroom, and a flexible working layout.

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Upgraded Storefront Condo

1075 Duval Street, Key West, FL 33040

$479,000

648 sqft

Fully leased commercial unit with central air and covered garage parking.

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Mixed-Use White-Box Space

3201 Flagler Avenue, Key West, FL 33040

$749,000

1,491 sqft 0.71 AC lot

White-box commercial space allows buyers to configure the interior for professional, medical office, or retail operations.

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Single-Story Corner Office Building

701 Simonton Street, Key West, FL 33040

$1,850,000

1,745 sqft 0.15 AC lot

Single-story corner office building with private offices, reception, central air, and drive-through parking.

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Two-Story Office Building

88101 Old Highway, Plantation Key, FL 33036

$999,999

2,244 sqft 0.14 AC lot

Mixed-use highway commercial property with private offices, conference rooms, and rear parking access.

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Renovated Two-Story Office Building

3140 Northside Drive, Key West, FL 33040

$1,200,000

2,045 sqft

The property combines medical and office areas with bathrooms and a kitchenette.

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White Box Commercial Suite

3201 Flagler Avenue, #STE 507, Key West, FL 33040

$749,000

1,491 sqft

Under-construction suite with white-box delivery, ADA access, ample parking, and flexibility to split into two units.

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Adjoining Office Condominiums with Patio

1421 First Street, Key West, FL 33040

$1,250,000

0.06 AC lot

Two adjoining office condo units are offered together, including a leased suite with private offices and patio.

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High-Visibility US1 Corner Lot Building

103301 Overseas Highway, Key Largo, FL 33037

$1,250,000

2,278 sqft 0.32 AC lot

Income-producing office building with growth potential on a US1 corner.

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Key West Office Condo Investment

3718 N Roosevelt Boulevard, Key West, FL 33040

$599,000

1,133 sqft 0.03 AC lot

Fully leased office condo with strong tenant and ocean view.

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Turnkey Ground-Floor Office Condo

812 Fleming Street, #2, Key West, FL 33040

$415,000

665 sqft

Renovated, ground-floor office condo with natural light, private access, and ADA-compliant half bath.

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Mixed-Use Building with Apartment

22814 Overseas Highway, Cudjoe Key, FL 33042

$875,000

1,120 sqft 0.19 AC lot

SC - Sub Urban Commercial zoning with office space, residential occupancy, and additional outdoor and storage areas.

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Turnkey Retail Condominium

1012 Truman Avenue, Key West, FL 33040

$439,000

718 sqft 3,490.99 AC lot

Commercial condominium with recent interior upgrades and a renovated bath, offered for sale with HOA covering building insurance and upkeep.

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Monroe County, FL Office Spaces Market Trends and Statistics

Explore 72 office spaces for sale in Monroe County, FL, showcased through 67 active listings on our real estate platform. These investment opportunities span a total of 111,187 square feet of properties for sale, with an estimated market value of $71,413,730.

Sale prices for office spaces in Monroe County, FL start at $99,000, averaging $1,428,274, and reaching up to $6,495,000 — 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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