For Sale
  • For Sale
  • For Lease
  • Recently Sold
  • Property Lookup
  • Brokers
Residential Income
1
  • Retail
  • Office
  • Residential Income
  • Restaurants
  • Industrial
  • Mixed-Use
  • Hospitality
  • Health Care
  • Sports & Entertainment
  • Land
  • Agricultural
  • Specialty
Price
Price range
$
$
Size
Property size / sq.ft.

Key Largo, FL Duplexes for Sale

Notify Me
List
Map
Canal Front Duplex with Ocean Views
$2,600,000
2,485 SF

Canal Front Duplex with Ocean Views

139 Marina Ave, Key Largo, FL 33037

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

  • Canal‑front legal duplex with 75' of waterfront, concrete dock, and 20,000 lbs boat lift for direct ocean access.
  • Completely renovated concrete structure with breathtaking ocean views and balconies to enjoy daily sunrises.
  • Each townhome features 2 bedrooms with en‑suite bathrooms.
  • Located on Marina Ave, close to the homeowner's park and across from a nature preserve.
  • Includes a spacious 760 sq ft storage area, Tiki Hut, and previously approved plans for a concrete swimming pool.
Updated: Jan 15
View details
Oceanfront Duplex with Rental Potential
$2,395,000
1,716 SF

Oceanfront Duplex with Rental Potential

127 Seaside Ave, Key Largo, FL 33037

Oceanfront duplex with deepwater dockage and nightly rental approval.

  • Legally approved for nightly rentals, maximizing income potential.
  • Oceanfront property with panoramic blue‑water views.
  • 100 feet of deepwater dockage with immediate ocean access and ownership of the ocean bottom.
  • Turnkey duplex with two updated units, each featuring 2 bedrooms, 1 bathroom, and a private oceanfront porch.
  • Versatile property suitable for investment, multi‑family compound, or private oceanfront living.
Updated: Jan 12
View details
Updated Duplex Near Oceanfront Park
$829,000
1,496 SF

Updated Duplex Near Oceanfront Park

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

102 Harry Harris Dr, Key Largo, FL 33070
View details
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
View details
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
View details
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
View details
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
View details
Florida City Duplex For Sale
$719,000

Florida City Duplex For Sale

Modern duplex in Florida City with premium finishes.

1452-1458 NW 1St Ct, Florida City, FL 33034
View details

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 $5,824,000.

Prices for duplexes in Key Largo, FL start at $829,000, averaging $1,941,333, and reaching up to $2,600,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

List
Map