Triplex

Monroe County, FL Triplexes for Sale

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Updated Triplex Near Harry Harris Park
Updated: May 13
Updated Triplex Near Harry Harris Park

235 Antigua Road, Key Largo, FL 33070

$679,000
2,330 sqft 0.12 AC lot
Three separate residences with a combined total of 5 bedrooms and 4 bathrooms
2,330 square feet on a 0.12‑acre parcel
Metal roof and updated kitchens with new appliances
New flooring in the front building and a gas stove in the rear unit
Mix of impact windows, an impact sliding door, and shutters
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This listing looks promising.

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235 Antigua Road, Key Largo, FL 33070

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Triplex and Adjacent Multifamily Lot
Updated: Jun 15
Triplex and Adjacent Multifamily Lot

127 & 121 Monroe Drive, Plantation Key, FL 33070

$2,899,000
2,409 sqft 0.34 AC lot
Concrete triplex at 127 Monroe Dr built in 1972: about 2,400 sq ft on a 7,500 sq ft lot with 3 rental units (1/1, 1/1, 2/2).
Each unit includes full kitchen(s) and bath(s); interiors feature tile and laminate flooring.
On‑site parking includes open spaces and RV parking, plus a patio for outdoor living.
Ductless HVAC system (ductless heating and cooling); appliances include washer, dryer, dishwasher, refrigerator, oven, and microwave.
Dock electric upgraded in 2025 with dedicated meter(s) for dock power (one on each property).
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Updated Triplex with Parking
Updated Triplex with Parking

10833 2nd Avenue Gulf, Marathon, FL 33050

$979,000
2,111 sqft 0.10 AC lot

Three leased units include two two-bedroom apartments and an efficiency with kitchenette.

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Triplex with Eighty-Foot Seawall & Boat Lift
Triplex with Eighty-Foot Seawall & Boat Lift

Key West, FL 33040

$2,499,999
3,568 sqft 0.27 AC lot

Triplex with a gated entry and self-contained units, plus a private deck overlooking the canal and an 8,000-lb boat lift.

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Residential Income
Residential Income

13-127 Monroe Dr, Tavernier, FL 33070

$2,899,000
2,409 sqft

Triplexes · 2,409 SF

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Triplex Compound with Private Dock
Triplex Compound with Private Dock

Islamorada, FL 33036

$3,524,000
3,524 sqft 0.16 AC lot

Three separate residences, seven bedrooms total, plus a 70-foot concrete dock and private pool on a canal.

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Triplex with Up to Seven Parking Spots
Triplex with Up to Seven Parking Spots

1614 Dennis Street, Key West, FL 33040

$1,299,000
2,699 sqft 0.11 AC lot

Three-unit triplex with central air and a porch, zoned SF - Single Family.

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Large Home with Potential
Large Home with Potential

530 White Street, Key West, FL 33040

$1,890,000
0.17 AC lot

Triplex with large yard and renovation potential in Key West.

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Mixed-Use Income Property
Mixed-Use Income Property

405 Petronia Street, Key West, FL 33040

$2,999,999
1,596 sqft 0.05 AC lot

Fully rented mixed-use building with 2-bedroom residential units, office space, and a detached restaurant.

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Triplex with Private Backyard and Deck
Triplex with Private Backyard and Deck

1018 Georgia Street, Key West, FL 33040

$999,999
1,452 sqft 0.07 AC lot

Fully renovated triplex in Key West’s Old Town with separate electric, impact windows, and multiple private outdoor spaces.

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Mixed-Use Retail and Apartments
Mixed-Use Retail and Apartments

6799 Overseas Hwy, Marathon, FL 33050

Contact for pricing
4,858 sqft 0.24 AC lot

Two-story concrete building with three retail/office units on the ground floor and three residential apartments above.

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CBS Triplex with Waterfront Access
CBS Triplex with Waterfront Access

127 & 121 Monroe Dr. 1-3, Islamorada, FL 33070

$2,899,000
2,409 sqft

CBS triplex with three rental units, canal and ocean access, and abundant on-site parking in Islamorada.

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Three-Unit Income Property
Three-Unit Income Property

185 Dove Lake Drive, Key Largo, FL 33070

$750,000
2,197 sqft 0.28 AC lot

Triplex-style property features three rental units and includes a separate vacant lot.

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Based on your search, we've compiled 13 Potential Opportunities for your consideration. Besides 13 Active listings in Monroe County, FL, we suggest exploring several alternatives:

Monroe County, FL Triplexes Market Trends and Statistics

Explore 13 triplexes for sale in Monroe County, FL, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 31,562 square feet of properties for sale, with an estimated market value of $24,317,997.

Sale prices for three-family homes in Monroe County, FL start at $679,000, averaging $2,026,499, and reaching up to $3,524,000 — 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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