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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 62
Order By:

$334,000
Marathon
Sea Crest Heights   - MM: 52.00
2 Bed, 2 Baths, 1,060 SqFt Days Listed: 148
-4.30% ($15,000) 2 Price Changes : Last Change 28 Days Ago
Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Duplex Legal 2 units, each unit has building right associated with it determination letter on file. House is a rebuilt 1bed 1bath with impact windows, metal roof, split unit a/c, raised electric and New Electric. Walls filled with r-19 spray foam for added insulation and efficiency, Property Is zoned R-MH and could be redeveloped with up to 5 units. Mobile unit is currently being rented for 1k per month, so live in 1 unit and rent the other or rent both. House would easily rent for 1600 a month in addition to the 1k from Mobile unit making this property pay for itself. Interest rates are the lowest theyve ever been in a decade, take advantage of paying less for your mortgage than you would for rent. 10k available from city of Marathon for down payment assistance for qualified buyers.

$389,000
Marathon
R & R Subdivisiondivision   - MM: 48.50
2 Bed, 2 Baths, 960 SqFt Days Listed: 153
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!

$405,000
Upper Matecumbe Key Islamorada
Ocean View   - MM: 82.50
2 Bed, 2 Baths, 1,064 SqFt Days Listed: 142
-4.59% ($19,500) 4 Price Changes : Last Change 63 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

$439,000
Marathon
Key Colony Subdivision   - MM: 53.00
6 Bed, 6 Baths, 1,488 SqFt Days Listed: 84
-2.88% ($13,000) 1 Price Change : Last Change 8 Days Ago
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.

$475,000
Marathon
Puerta Del Sol   - MM: 50.50
7 Bed, 7 Baths, 2,004 SqFt Days Listed: 256
-9.52% ($50,000) 1 Price Change : Last Change 192 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.

$499,000
Marathon
Sea Air Estates   - MM: 52.00
2 Bed, 2 Baths, 1,700 SqFt Days Listed: 15
Half Duplex - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: 375ft.

$499,000
Marathon
Sombrero Subdivision   - MM: 49.50
3 Bed, 3 Baths, 1,504 SqFt Days Listed: 178
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.

$499,000
Marathon
Sea Air Estates   - MM: 52.00
2 Bed, 2 Baths, 1,700 SqFt Days Listed: 15
Half Duplex - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Davits375ft.

Large Half Duplex on a clear Gulf side Canal, 5 minutes to open gulf. Covered parking and storage area. Also listed as a full duplex buy it and live in one side, and vacation rent the other.

$499,000
Upper Matecumbe Key Islamorada
Ocean View   - MM: 82.50
3 Bed, 3 Baths, 1,810 SqFt Days Listed: 33
Multi-Units - Active - Waterfront No
Side of Island: Ocean - Dockage: None

$525,000
Conch Key
Conch Key   - MM: 62.50
6 Bed, 6 Baths, 2,704 SqFt Days Listed: 8
Duplex - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Rarely available, large duplex with 3/1 units on both floors. Separate electric meters help improve your ROI. Tenants split the water bill. Great rental revenues this duplex stays rented all the time. New metal roof and electric service upgraded in 2014. separate laundry room for each unit. Barely a scratch from Irma. Gulf views from upper unit. Owner is a Florida real estate licensee

$555,000
Key Largo
Lake Surprise Properties   - MM: 106.00
2 Bed, 2 Baths, 1,226 SqFt Days Listed: 192
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 -

$559,000
Key Colony
Key Colony Beach 1st Addn Amd   - MM: 53.50
2 Bed, 2 Baths, 1,220 SqFt Days Listed: 65
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

Lots of space in this 1220 sq ft half duplex. Great water views from the living room, dining room and kitchen area. This home is East Facing and it is located in the most sought after Island of Key Colony Beach. The concrete dock is 37 feet in length for your fishing boat or jet skis. This home would make a great investment home or your very own slice of paradise. This half duplex is in a vacation rental program.

$649,000
Key Colony
Key Colony Beach   - MM: 53.50
4 Bed, 4 Baths, 1,536 SqFt Days Listed: 159
Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Virtual Showings now available via Facetime, call for an appointment. STILTED FULL DUPLEX in Key Colony Beach! Each side is metered and has 2 Bedrooms & 2 Bathrooms & 2 balconys! Spacious yard with room for a pool! Short notice okay.

$650,000
Key Colony
Key Colony Beach   - MM: 53.50
2 Bed, 2 Baths, 1,344 SqFt Days Listed: 91
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.

$674,900
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
4 Bed, 4 Baths, 1,565 SqFt Days Listed: 4
Duplex - Active - Waterfront No
Side of Island: Median - Dockage: None

Midtown duplex. Two bedroom one bath in each unit. Front unit is vacant and easy to show. Projected monthly rent is approximately $1,800. Rear unit enjoys a large fenced yard. Current month to month rent is $1,540. Over sized lot on the corner of Staples and 2nd St. Built with historic Indian Block.

$679,000
Key Colony
Key Colony Beach   - MM: 53.50
2 Bed, 2 Baths, 1,433 SqFt Days Listed: 24
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 30ft.Concrete

This stilted home is way above flood and provides for the minimal cost of flood insurance. It has a bright, open concept floor plan with soaring ceilings, huge kitchen, updated bathrooms, two balconies, BIG Master suite with ocean peek from private balcony, large game room, several storage rooms, covered and uncovered patios, lots of off-street parking, 30 ft concrete dock with composite step down, fish cleaning station & dock ladder. Great location, for boaters, divers & anglers only 5 mins to the open ocean. In prestigious, Key Colony Beach. Walk or bike the entire 15 Street City to restaurants, marina, golf, tennis, pickle ball, post office & Sunset Park. Your island escape is here, in paradise! 171 3rd is also available - Live in One & Rent the Other!

$698,000
Key West
New Town Unlisted   - MM: 2.00
5 Bed, 5 Baths, 1,744 SqFt Days Listed: 12
Single Family - Active - Waterfront No
Side of Island: Median - Dockage: None

This large Midtown home has 5 Bedrooms 2 Bathrooms . Currently being used as a 3/1 down and 2/1 Upstairs. Home has a metal roof and accordion shutters . New photos coming soon.

$727,000
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
6 Bed, 6 Baths, 1,613 SqFt Days Listed: 59
Duplex - Active - Waterfront No
Side of Island: Median - Dockage: None

Legal Duplex! Great investment opportunity. This updated 6 bedroom 2 bathroom multi family home currently brings in $5,600 a month. Lots of off street parking and a large 8,103 square foot lot that extends from Duck ave all the way to Harriet ave with access from both streets.

$775,000
Key West
Island City Subdivision   - MM: 2.00
3 Bed, 3 Baths, 1,408 SqFt Days Listed: 155
Duplex - 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.

$824,900
Marathon
Sombrero Prop Plat   - MM: 49.50
4 Bed, 4 Baths, 1,784 SqFt Days Listed: 135
+1.23% ($10,000) 1 Price Change : Last Change 64 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: n/a

Sunny weather and sandy beaches await you in Marathon! This beautiful 4 Bedroom, 3 bath waterfront Villa is located in a private setting and features so many amenities to include a private heated swimming pool with a large paved pool deck and has plenty of lounge chairs to soak up the Florida Keys sunshine. The outdoor entertaining area features a gas grill, Tiki Bar, a covered Lanai with dining table & chairs, an Ice maker and Outdoor Refrigerator/Freezer. Rinse off after a swim in the outdoor shower. Launch your boat from your private dock which includes a Fish Station, Underwater Fish & Dock Light System and so much more. The backyard has all the space you need to enjoy a spectacular day or evening with your guests.

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 08-04-2020.

Broker's Edge Realty
92300 Overseas Hwy Suite 303
Key Largo, Florida 33070

1(800) 692-3605
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