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Key Largo, FL Duplexes for Sale

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Canal Front Duplex with Ocean Views
$2,695,000
2,485 SF

Canal Front Duplex with Ocean Views

139 Marina Ave, Key Largo, FL 33037

Canal-front duplex with ocean views, dock, and boat lift.

  • Legal duplex with breathtaking ocean views and excellent rental potential.
  • 75 ft waterfront with concrete dock and 20,000 lbs boat lift on a wide 80 ft deep‑water canal with direct ocean access.
  • Completely renovated concrete construction providing durability.
  • Each townhome features 2 bedrooms and 2.5 bathrooms, with all bedrooms designed as en‑suites.
  • Located across from a nature preserve ensuring tranquility and privacy, and close to the homeowner's park.
Last Update: Dec 7
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New
Updated Duplex Near Oceanfront Park
$829,000
1,496 SF

Updated Duplex Near Oceanfront Park

102 Harry Harris Dr, Key Largo, FL 33070

Legal duplex near Harry Harris Park, updated interiors, strong rental income.

  • Legal Duplex with two electric and water meters, offering income potential or multi‑generational living.
  • Updated apartments, each with mini‑split AC and tankless water heaters for modern comfort and efficiency.
  • Strong rental income potential: Downstairs rented at $2,450/month; upstairs vacant, asking $2,650/month.
  • Durable concrete building with a metal roof, promising long‑term structural integrity.
  • Close proximity to Harry Harris Oceanfront County Park with boat ramp, beach, and recreational facilities.
Last Update: Dec 10
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Oceanfront Duplex with Dockage
$2,495,000
1,716 SF

Oceanfront Duplex with Dockage

Oceanfront duplex with deepwater dockage and nightly rental approval.
127 Seaside 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.

Nearly New Florida City Duplex
$729,999

Nearly New Florida City Duplex

6-bedroom, 4-bath duplex in Florida City, ideal for investors.
210 SW 3Rd St, Florida City, FL 33034
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Florida City Duplex Investment Property
$550,000

Florida City Duplex Investment Property

Duplex with 3-bedroom units, fully occupied, excellent cashflow.
506 NW 7Th Ave, Florida City, FL 33034
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Spacious Duplex in Homestead
$479,900

Spacious Duplex in Homestead

Duplex with two units, each featuring two beds and one bath.
1140 NW 9Th St, Homestead, FL 33030
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Renovated Duplex: Income Potential
$625,000

Renovated Duplex: Income Potential

Turn-key duplex with new roof, A/C, and updated interiors.
26711 SW 145Th Avenue Rd, Homestead, FL 33032
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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 $6,024,000.

Prices for duplexes in Key Largo, FL start at $834,000, averaging $2,008,000, and reaching up to $2,695,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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