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Florida Keys Multi-Family Homes for Sale in the Florida Keys

Buying a multi-family home for sale in the Florida Keys provides a great chance to live in this beautiful tropical destination.  This type of housing includes homes like duplexes in the Keys or even triplexes or larger options.  Often, Florida Keys multi family houses offer very affordable alternatives to more traditional real estate and can allow buyers to find great deals in the area.  If this type of housing is something that you are interested in exploring, view our complete list of multi family properties available in the Florida Keys here.

Total Listings 60
Order By:

323  91st Street  For Sale, MLS 590215
$344,000
Marathon
Sea Crest Heights   - MM: 52.00
2 Bed, 2 Baths, 1,060 SqFt Days Listed: 80
-1.43% ($5,000) 1 Price Change : Last Change 22 Days Ago
Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Virtual Showings now available via Facetime, call for an appointment.

201 E Ocean Drive 1-311 For Sale, MLS 589075
$349,000
Key Colony
Casa Clara   - MM: 53.50
2 Bed, 2 Baths, 994 SqFt Days Listed: 141
-5.42% ($20,000) 2 Price Changes : Last Change 51 Days Ago
Condo - Active - Waterfront Yes
Side of Island: Ocean - Dockage: None

Virtual Showings now available via Facetime, call for an appointment.

335  371 22Nd Street  For Sale, MLS 590126
$389,000
Marathon
R & R Subdivisiondivision   - MM: 48.50
2 Bed, 2 Baths, 960 SqFt Days Listed: 85
Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

INVESTOR ALERT!! charming concrete full duplex. Inside dade county pine vaulted ceilings, new A/C, new metal roof, original terrazzo floors...currently showing a 10% return with long-term tenants. Great curb appeal, could be used as a vacation rental. Excellent opportunity!

111  Gulfwinds Lane  For Sale, MLS 587316
$399,000
Marathon
Sea Air Estates   - MM: 52.00
2 Bed, 2 Baths, 1,760 SqFt Days Listed: 259
Half Duplex - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Assigned Dock

Great starter home or investment property. This two-bedroom, one-bath half-duplex is located in a great, family neighborhood, behind the airport in Marathon. The home offer a deep-water canal with quick access to the Gulf of Mexico. The bathroom has been updated. The yard is landscaped with tropical trees and there is room for additional parking.

82899  Old Highway  For Sale, MLS 590289
$409,500
Upper Matecumbe Key Islamorada
Ocean View   - MM: 82.50
2 Bed, 2 Baths, 1,064 SqFt Days Listed: 74
-3.53% ($15,000) 3 Price Changes : Last Change 33 Days Ago
Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Back on the Market! Investor alert! ZONED Village Center-Multi Use-obtain a commercial license, a vacation rental license or keep long term rentals. Keys Conch-crete style Duplex located in the Heart of Islamorada off Old Highway. Each unit is 1 bedroom/1 bathroom with separate entrances and yard space. Facing the Ocean, with peek a boo views of the Ocean, you wont find another Duplex like it! Built in 1961 with a grandfathered in downstairs. FEMA recognized, & no problems obtaining insurance. Upstairs features original hardwood floors, vaulted ceiling, impact resistance windows, freshly painted walls and ceiling. New Photos SOON! Month to month tenants-obtain tenants, or live in either unit and rent out other. Close to shopping & downtown Islamorada, featuring very popular Art Walk

11450  3rd Avenue   For Sale, MLS 590449
$417,000
Marathon
Little Venice   - MM: 53.00
2 Bed, 2 Baths, 750 SqFt Days Listed: 58
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 55ft.

Remodeled waterfront 2-bedrooms, 1-bathroom half duplex with ocean views from your kitchen window! Located on wide, free-flowing canal in Little Venice with direct ocean access. New plank tile flooring throughout with new kitchen cabinets, quartz countertop and stainless appliances. End of street privacy with garage and 55 feet of dockage. Affordable waterfront living and easy to show!

10814  2nd Avenue Gulf Avenue  For Sale, MLS 590860
$452,000
Marathon
Key Colony Subdivision   - MM: 53.00
6 Bed, 6 Baths, 1,488 SqFt Days Listed: 16
Duplex - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Renovated duplex in the heart of Marathon, right down the street from Walgreens and Bealls. New Electrical, New Roof, New Kitchens and baths and plumbing. Large Yard, some impact windows. Great rental investment. 3 bedrooms 1 bath each side with Washer Dryer hookups. Fenced yard on one side. rented for $2,300.00, one side and $1900.00 the other side. Tenant occupied need 24-48 hours notice.

6630  65Th Street  For Sale, MLS 588359
$475,000
Marathon
Puerta Del Sol   - MM: 50.50
7 Bed, 7 Baths, 2,004 SqFt Days Listed: 188
-9.52% ($50,000) 1 Price Change : Last Change 124 Days Ago
Multi-Units - Active - Waterfront No
Side of Island: Ocean - Dockage: None

This is currently used as a dorm for a local dive school.

391  24Th   For Sale, MLS 589680
$499,000
Marathon
Sombrero Subdivision   - MM: 49.50
3 Bed, 3 Baths, 1,504 SqFt Days Listed: 110
Multi-Units - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Perfect multi family property in the heart of Marathon! Strong rental history and long term tenants. Two structures on property, one duplex with a 1/1 on one side and a recently renovated efficiency on the other side, and a 2/1 mobile home in the back of the property. These three rentals bring in just shy of $4000/month in rent, the property pays for itself! Please do not disturb tenants. Please allow up to 48 hours to show.

43  Sadowski Cswy   For Sale, MLS 589088
$500,000
Key Colony
Marina Subdivision   - MM: 54.00
2 Bed, 2 Baths, 900 SqFt Days Listed: 140
-2.91% ($15,000) 1 Price Change : Last Change 114 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: n/a

Shown by appointment only. All Buyers are to provide proof offunds or prequalification/preapproval from their lender to theListing Agent prior to scheduling the showing.Gorgeous property located in the Gem of the Florida Keys in Key Colony Beach! Welcome to Pelican Perch! Completely renovated half-duplex features Concrete Block Structure (CBS), new roof, impact windows and doors throughout. New decking on the dock along with a rooftop deck to enjoy the sunrise/sunset views! Very easy boating access and dock can accommodate a large boat! Inside offers luxury vinyl plank flooring throughout along with stainless steel appliances, quartz counter-tops, and eat-in kitchen. Everything has been remodeled with no detail left undone! Great rental history and rentals in place for 2020!

435  Big Pine Road  For Sale, MLS 589407
$555,000
Key Largo
Lake Surprise Properties   - MM: 106.00
2 Bed, 2 Baths, 1,226 SqFt Days Listed: 124
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: 60ft.

ZONE MULTI FAMILY - potential for investor / built 2 homes . There a concrete home 1/1 on 2 floors and a trailer in the back. Owner on site - easy to show it -

430  9th Street  For Sale, MLS 589804
$559,000
Key Colony
Key Colony Beach 1st Addn Amd   - MM: 53.50
2 Bed, 2 Baths, 1,220 SqFt Days Listed: 105
+24.22% ($109,000) 1 Price Change : Last Change 95 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.

Lots of space in this 1220 sq ft. half duplex. Oversized living room, spacious kitchen and dining area, large master bedroom and bath attached. Second bedroom has two full beds with room to spare. Located in the most sought after island of Key Colony Beach. New plumbing and bathroom. The half duplex next door is also for sale. The full duplex would be a great investment. These duplexes are both in the vacation rental program.

205  Julia Street  For Sale, MLS 590525
$639,900
Key West
Old Town Unrecord   - MM: 1.00
3 Bed, 3 Baths, 1,268 SqFt Days Listed: 51
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Great investment property, 2 buildings with 3 units. Front main house is a 3 bedroom 2 bath with building in back that has 2 studio workforce housing units. Back yard has a mature mango tree.

29670  Constitution Avenue  For Sale, MLS 589301
$644,000
Big Pine Key
Pine Channel Estates   - MM: 29.50
4 Bed, 4 Baths, 1,792 SqFt Days Listed: 129
Duplex - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Davit Pads20ft.

Income producing legal duplex on canal in desirable Pine Channel Estates community. Quick boating access from this neighborhood to Ocean or Gulf. Both units are mirror image and identical in floor plan and layout - images posted are of one unit. Each unit has 2 bedrooms with 3 piece bath upstairs and 2 piece half bath and laundry on main floor. New metal roof and accordian shutters. Convenient to shopping, restaurants, and other amenities located in down town Big Pine Key. Both units tenant occupied with Leases - requires 24 hour notice to show.

2121  Fogarty Avenue  For Sale, MLS 588695
$649,000
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
4 Bed, 4 Baths, 2,501 SqFt Days Listed: 166
-13.35% ($100,000) 2 Price Changes : Last Change 85 Days Ago
Duplex - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Huge price reduction! With 4 bedrooms and 3 full baths in the main house and a studio apartment with a full bath above, this legal duplex with separate utilities is perfect for primary residents who would like to generate additional rental income and investors alike! At 2500 SF on a 5000 SF corner lot, this is one of the largest homes in the neighborhood. Bring your family, move in your mother-in law and/or tenants! This property truly has endless possibilities! This home features 3 large updated decks, a beautifully constructed fence under a year old, new roof added only 4 years ago, lovely landscaping, 2 large attic spaces in addition to a roomy, concrete block storage shed, additional outdoor storage closet and did not flood during Wilma or Irma! Owner is a licensed Realtor.

481  3Rd Street  For Sale, MLS 590789
$650,000
Key Colony
Key Colony Beach   - MM: 53.50
2 Bed, 2 Baths, 1,344 SqFt Days Listed: 23
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 30ft.Concrete

GREAT LOCATION VERY NEAR OPEN END OF CANAL AND HAS A FLOATING DOCK ON 30 FT OF CONCRETE SEAWALL. Vaulted ceilings add to the spacious, open feel of this wonderful unit. 2 bedrooms, 2 baths, upstairs laundry and lots of closet space make this home one to enjoy by residents or vacationers. This home has been a licensed vacation rental with a good past history. Ask agent for details. The other half of the duplex is also available for sale and ask Agent for details.

1112  Eaton Street  For Sale, MLS 586539
$674,000
Key West
Old Town Unlisted   - MM: 1.00
2 Bed, 2 Baths, 1,220 SqFt Days Listed: 316
-3.02% ($21,000) 2 Price Changes : Last Change 107 Days Ago
Duplex - Active - Waterfront No
Side of Island: Median - Dockage: None

Historic Key West Conch Cottage! Centrally located on the 1100 Block of Eaton St., you are within walking distance to Duval, Caroline, and the Historic Water Front. 2 bedrooms 2 bath with off street parking on Eglin Ln.

1408  Johnson Street 1&2 For Sale, MLS 589685
$695,000
Key West
Land Buyers Assn   - MM: 3.00
4 Bed, 4 Baths, 1,344 SqFt Days Listed: 109
Duplex - Active - Waterfront No
Side of Island: Median - Dockage: None

Legal Duplex available for sale on highly desirable Johnson Street! The front unit has 3 bedrooms/ 1 bath, full kitchen, impact windows on the front bedrooms, and features a private entrance, lushly landscaped yard with an outdoor shower, mature fruit trees and gas line for a summer kitchen. The rear unit has 1 bedroom/ 1 bath and full kitchen and features a separate entrance and private yard. This CBS home has A rated shutters for all openings, new plumbing (2013), new ACs (2013 & 2016), newer appliances, travertine tile throughout, and off street parking for up to 4 cars.This home offers many options to live the Key West dream! Live in one and rent the other to offset your expenses or rent both units as an investment property.

2007  Flagler Avenue  For Sale, MLS 590164
$699,000
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
5 Bed, 5 Baths, 1,862 SqFt Days Listed: 83
Duplex - Active - Waterfront No
Side of Island: Median - Dockage: None

Great Midtown Duplex with mother in-law quarters, with a total ANNUAL income of $73k! Upgraded by Airport Noise Improvement project with double pane windows great for sound and insulation. Zoned Limited Commercial. Occupational licenses for current use are residential. The property has history of business & residential occupational licenses. Upstairs unit is a 1 bedroom 1 bathroom completely renovated with all new tile floors, ac ductless units, appliances, and custom tile in bathroom shower walls. Upstairs unit has private entry. Downstairs is a 4 bedroom 2 bathroom with new kitchen installed 2019. Dont miss this great investment opportunity!! Please note Last 5 pictures are from prior tenant furnishings not current tenant posted to show layout.

1438  Virginia Street  For Sale, MLS 590089
$775,000
Key West
Island City Subdivision   - MM: 2.00
3 Bed, 3 Baths, 1,408 SqFt Days Listed: 87
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Location! Location! Location!. Situated at the gateway to Downtown, the Key West Bight Marina, and the Business district, this historic duplex overlooking the iconic Bayview Park sits on an oversized 6,300 sq. ft. lot and provides amazing possibilities for renovation and/or re-development in a prime historic neighborhood. The main structure facing Virginia St. is an historic shotgun style home with high ceilings and dade county pine construction. The second unit faces Pearl Ave. and is considered non-contributing structure. From your front porch you will enjoy views of the beautiful greenery and memorial structures of the park as well as Gulf bay waters and many community events. Walk to your favorite local grocer and numerous restaurants, shops, and boat storage.

The information being provided by the Florida Keys MLS is exclusively for consumers' personal, non-commercial use, and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated on 05-28-2020.

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Key Largo, Florida 33070

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