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Key Largo, FL Duplexes for Sale

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Updated Duplex Near Harry Harris
$799,000
1,496 SF

Updated Duplex Near Harry Harris

102 Harry Harris Dr, Key Largo, FL 33070

Legal duplex near oceanfront park, updated with modern amenities.

  • Legal Duplex with Two Separate Meters (Electric & Water)
  • Updated Apartments with Mini‑Split ACs and Tankless Water Heaters
  • Strong Rental Income Potential: Downstairs Rented at $2,450, Upstairs Vacant (Previously $2,650)
  • Durable Concrete Building with Metal Roof
  • Close Proximity to Oceanfront Harry Harris Park
Updated: Feb 23
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Oceanfront Multifamily with Rental Potential
$2,345,000
1,716 SF

Oceanfront Multifamily with Rental Potential

127 Seaside Ave, Key Largo, FL 33037

Oceanfront multifamily property with deepwater dockage and nightly rental approval.

  • Approved for nightly rentals, offering significant income potential
  • Deepwater dockage with 100 feet of concrete dock and immediate ocean access
  • Enjoy panoramic ocean views from two updated units, each with 2 bedrooms, 1 bathroom, and private oceanfront porches
  • Approval for a 20,000lb boat lift and observation deck
  • Ownership of the ocean bottom, providing added value and flexibility
Updated: Mar 4
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Canal Front Duplex with Ocean Views
$2,600,000
2,485 SF

Canal Front Duplex with Ocean Views

Legal duplex with ocean views, waterfront access, and rental potential.

139 Marina Ave, Key Largo, FL 33037
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Large Corner Lot Duplex
$234,000

Large Corner Lot Duplex

Duplex with approved plans, separate entrances, and A/C units.

2 Trl Fisherman's, Key Largo, FL 33037
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Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Key Largo, FL, we suggest exploring several alternatives: 4 properties in Nearby Cities

Explore Opportunities in Nearby Cities

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

Waterfront Duplex with Redevelopment Potential
$1,350,000
1,500 SF

Waterfront Duplex with Redevelopment Potential

Canal-front duplex in Plantation Key with income and redevelopment opportunities.

228 Apache St, Plantation Key, FL 33070
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Plantation Key Multi-Family Opportunity
$995,000
1,608 SF

Plantation Key Multi-Family Opportunity

Legal duplex with unpermitted efficiency in prime Islamorada location.

112 S Rolling Hl Rd, Plantation Key, FL 33070
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Florida City Duplex For Sale
$709,000

Florida City Duplex For Sale

Modern duplex in Florida City with premium finishes.

1452-1458 NW 1St Ct, Florida City, FL 33034
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Move-in Ready Duplex in Florida City
$698,000

Move-in Ready Duplex in Florida City

Stylish duplex with modern amenities, ideal for investors or families.

1231-1233 NW 9Th Ave, Florida City, FL 33034
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Key Largo, FL Duplexes Investment Opportunities Market Analysis

Explore 4 duplexes for sale in Key Largo, FL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 23,087 square feet of properties for sale, with an estimated market value of $5,744,000.

Sale prices for duplexes in Key Largo, FL start at $799,000, averaging $1,914,666, and reaching up to $2,600,000 — 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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