Divider
Content Divider

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

Total Listings 76
Order By:

$2,250,000
Key West
Old Town Unrecord   - MM: 1.00
4 Bed, 4 Baths, 2,080 SqFt Days Listed: 133
Multi-Units - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Triplex investment property! Prime location only 1 block from the historic Key West seaport and 2 blocks from Duval St. The downstairs offers 2 units which include a 1/1 with kitchenette and a 1/1 with full kitchen. Enjoy the front porch facing Caroline St. or spend a lazy afternoon lounging by the dip pool in the backyard. Ascend the gorgeous wooden staircase to the upstairs unit which includes the 2nd and 3rd floors and has many features reminiscent of an old ship accented by beautifully detailed wood trim. This 2/3 unit includes hardwood floors, stained glass details, a loft/office, a front porch for relaxing, a small back porch overlooking the pool, and a unique widows walk where you can enjoy a bit of privacy in the treetops. The kitchen includes a built-in water filtration system, the master bedroom is a generous size, and youll find storage galore throughout the home with built-ins, nooks, and crannies. This historic home has high ceilings throughout, and the windows (except skylights) are hurricane rated. The owners currently live in the upstairs unit and use the first-floor units as monthly vacation rentals. Any of the units could be used as long-term rentals, or the property could potentially be converted into an up/down duplex or returned to its original configuration as a single-family home. Enjoy the close proximity to all the amenities this great location offers in Old Town. This historic gem is awaiting your vision.

$2,450,000
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
5 Bed, 5 Baths, 1,994 SqFt Days Listed: 213
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Two Parcels Included!!! Welcome to 1320 6th Street, a fantastic investment opportunity in a prime midtown Key West location. This property features three private units, each offering great rental income potential. Your chance to make money and have a home in paradise.Enjoy the large inviting pool and well-maintained grounds, all just minutes from downtown Key West. Whether youre looking for a lucrative rental property or a versatile family compound, this unique property is a perfect choice. Dont miss your chance to own this gem in the heart of Key West! Prime Corner Lot enjoy the benefits of a corner lot with enhanced privacy and curb appeal.The property has ample parking and features a three-vehicle covered carport, along with additional off-street parking that can accommodate your boat or RV.The layout and landscaping provide a sense of seclusion, ensuring a comfortable living experience for tenants.This multi-family property is a rare find, combining practicality, privacy, and profitability. Dont miss out on this outstanding investment opportunity!

$2,795,000
Key West
Moffats Subdivision   - MM: 2.00
5 Bed, 5 Baths, 2,007 SqFt Days Listed: 62
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

INVESTOR ALERT! Great opportunity to own a 3 unit building centrally located in Key West with off Street parking and plenty of room for a pool. The downstairs front unit is a 2BD/1BA, has an open floor plan with lots of windows allowing for plenty of natural light and a cute front porch. The upstairs unit is a 1BD/1BA and the rear third unit is another 2BD/1BA. The multi unit building sits on a nearly 4,000sf corner lot, consists of 2 structures and has just over 2,000sf of total living space. Located only a few blocks to Duval Street, the beaches, wonderful restaurants and many more of Key West attractions! Tenant occupied, minimum 24 Hour notice to show.

$2,799,000
Key West
Old Town Unlisted   - MM: 1.00
10 Bed, 10 Baths, 3,876 SqFt Days Listed: 126
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Unlock the potential of this exceptional multifamily complex nestled in the heart of Old Town Key West. With a total of six units offering a diverse mix of layouts, including three 1-bedroom/1-bathroom units, two 2-bedroom/1-bathroom units, and one 3-bedroom/1-bathroom unit, this property presents an unparalleled investment opportunity in one of the most coveted destinations in the Florida Keys. Dont miss your chance to seize this investment gem in the heart of Old Town Key West. Schedule a viewing today and make your mark on the vibrant landscape of Key West real estate!

$2,999,999
Key West
Old Town Unlisted   - MM: 1.00
2 Bed, 2 Baths, 1,596 SqFt Days Listed: 21
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Heart of Old Town Key West. Very rare FULLY RENTED income producing mixed-use property. 2/2 residential, office plus a detached restaurant. Seller financing is available to immediately start your investment opportunity! Call now for your private showing.

$3,491,000
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
16 Bed, 16 Baths, 6,000 SqFt Days Listed: 29
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

EMPLOYEE HOUSING, DEVELOPERS, CONDO CONVERSION! 1714 Bertha St and 1716 Bertha St are two fourplexes with 16 bedrooms and 8 baths, 8 units of 2/1 each, comprising 6,000 sq ft of Floor Living Area on 8,755 sq ft of land, offered with the vacant lot adjacent to 1714 Bertha St, a bonus 5,765 sq ft lot comprising a total of 14,529 sq ft of land. Both buildings have new metal roofs as of 2024. Property Data Cards can be found in Documents.

$3,500,000
Stock Island
Maloney Subdivision   - MM: 5.00
Bed, Baths, SqFt Days Listed: 186
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Prime TRANSIENT Development Opportunity on Stock Island. Just over a half acre, this property features 4 ROGO exempt units with a letter of understanding from the county for the intention to develop into 4 vacation rentals.Conveniently located just off US 1 on Maloney Avenue, a thoroughfare for the Stock Island that connects world renown marinas to local commerce including maritime amenities & activities, hospitality & tourism.There are currently has 3 income producing mobile homes on the property.

$3,750,000
Key West
Old Town Unrecord   - MM: 1.00
5 Bed, 5 Baths, 3,665 SqFt Days Listed: 217
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

400 Aronovitz Lane is a contemporary island estate that redefines luxury and sophistication right in the heart of Old Town, Key West. Step through the grand entryway into a lounge that greets you with soaring 18 cathedral ceilings, a chic wet bar, elegant granite countertops, and top-notch amenities like a beverage cooler and ice maker. The open-concept living and dining areas are designed for seamless indoor-outdoor living, flowing effortlessly to multiple outdoor spaces. Imagine uninterrupted sight lines through expansive sliding glass doors, revealing a tropical poolside patio. This outdoor oasis features a Craig Reynolds-designed heated pool with a water feature, lush landscaping, ambient lighting, and a refreshing outdoor shower. The first-floor primary bedroom is a haven of relaxation, featuring a stunning en suite bathroom with luxurious marble finishes and an enclosed steam shower. The Chefs Kitchen boasts a large granite island, custom lighting, ample cabinetry, and high-end Sub-Zero and Thermador appliances. Upstairs, the second primary bedroom offers an en suite bathroom, wide plank hardwood floors, and sliding glass doors that open to a covered porch and outdoor shower. A cozy guest bedroom includes a beautiful bathroom with a soaking tub and access to a covered patio. Two additional downstairs guest suites, located just off the kitchen, each feature a sitting room, kitchen, washer/dryer, finished loft space, and a charming porch surrounded by lush landscaping for added privacy. This property is zoned for live-work (Historic Residential Office) and includes an ADA-compliant entrance. Located on a 5,891SF lot in the X-Flood Zone, and just a short walk or bike ride to the world-famous Duval Street, the islands finest restaurants and shopping, Truman Waterfront Park, and Fort Zachary Taylor Beach. 3+ off-street parking spaces! Dont miss out--schedule your private viewing today.

$3,999,000
Key West
Old Town Unlisted   - MM: 1.00
7 Bed, 7 Baths, 3,015 SqFt Days Listed: 29
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

This is the entire four-unit Lighthouse View Condominium Association. It is currently four lucrative long-term rentals. Enter thru the electric gate to a bricked courtyard with parking for several cars and many bicycles and access to a covered carport. The main residence is secluded in the rear with its own private heated pool, hot tub and expansive garden with brick terrace. A free-standing two story building contains a great room, splendid kitchen and half bath downstairs. Above is a bright and breezy master suite with cathedral ceilings and skylight. In addition, there are two guest cottages, each with one bedroom, one bath and a pretty front porch. On the deck between the cottages is an outdoor wet bar and there is an outdoor shower by the pool. The other apartments are in a building at the front of the property. Downstairs are two one bedroom-one bath units. Upstairs is a glamorous two bedroom-one bath with a big, wonderful deck under the trees.

$4,399,000
Marathon
Sombrero Subdivision   - MM: 49.50
8 Bed, 8 Baths, 3,642 SqFt Days Listed: 54
Multi-Units - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Davits500ft.

Development Opportunity! Property consists of 2 adjacent parcels. 1250 and 1257 per data card, 5 building rights, approx. 500 ft of deep water frontage, new 45 dock on the south east side of the property. Currently 4 manufactured homes exist. However Seller has plans for 2 of to be replaced with 3 Bedroom 2 Bath modular with 1680 Sq. Ft. each. Seller also owns Baybottom 100 out. Located on direct open water of Boot Key Harbor Lots of development possibilities , Multiple dock configurations for big Boats of multiple boats. Determination Letter on file. Boot Key Harbor offers great storm protection, five Restaurants, three Gas Docks and the deepest water in the Middle Keys. Bring big boats or multiple boats. Build five average size homes or two or three larger homes. Additional Building Rights can be transferred to other parcels located within the City of Marathon. seller is offering Sellers finance for a qualified buyer with substantial down payment.

$4,975,000
Key West
Benj Alburys Subdivisiond   - MM: 2.00
6 Bed, 6 Baths, 3,788 SqFt Days Listed: 219
Multi-Units - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: None

Ahoy, dreamers and visionaries! Step into the pages of Key West history with this captivating waterfront property, whispering tales of Old Town charm from its perch on the edge of paradise.Built before 1912, and lovingly held by the same family for over a century, this sprawling 15,609 square foot lot, zoned General Commercial, awaits your masterpiece. Picture a bustling restaurant serving up fresh seafood and island vibes, a charming boutique hotel nestled amidst tropical gardens, or a tranquil marina where sailboats sway in the gentle breeze. The possibilities are as endless as the ocean views.This unique property boasts a legal five-unit multi-family configuration, including a historic main house and a separate cottage. The main house features four units with a total of 5 bedrooms and 4 bathrooms, perfect for accommodating guests or creating a vibrant community. Meanwhile, the charming cottage, with its 2 bedrooms and 1 bathroom, offers a private oasis for rest and relaxation.Nestled beside Garrison Bight, a stones throw from Bayview Park and Tennis Courts, and just a bike ride away from some of the islands most stunning beaches and attractions, this location is a true Key West treasure.Now, for the fine print: the property is currently tenant-occupied, so please allow 48 hours notice for viewings (and you might not be able to see all units in one go). Savvy investors should verify restoration and development rights to unlock the full potential of this historic gem.Ready to set sail on a new adventure? This once-in-a-lifetime Key West investment is calling your name. Dont miss out on the chance to turn your dreams into reality!

$5,197,000
Key West
Webb Realty Co Subdivision   - MM: 1.00
10 Bed, 10 Baths, 7,193 SqFt Days Listed: 29
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

INVESTORS, DEVELOPERS, CONDO CONVERSION--1005 FLAGLER AVE AND 1009 FLAGLER AVE--Two fourplexes in the highly desirable Casa Marina neighborhood on 18,371 sq ft of land, with 7,193 sq ft of Floor Living Area, for a total of 10 bedrooms and 9 baths. 1005 Flagler is 4 units, 3 of which are 1/1, ground floor unit #1 is a 3/2 with a courtyard. Theres an on site coin laundry, as well as a garage and storage.1009 Flagler is 4 units, each a 1/1.Property Data Cards are found in Documents for each property.

$5,319,000
Key West
Key West Realty Cos Subdivisi   - MM: 3.00
24 Bed, 24 Baths, 9,000 SqFt Days Listed: 29
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

PRIME OPPORTUNITY! 1819 Atlantic Blvd, 1719/21 Josephine St, 1723/25 Josephine St, 1821 Atlantic Blvd & 1823 Atlantic Blvd. EMPLOYEE HOUSING, DEVELOPERS, CONDO CONVERSION! 3 FOURPLEXES 12 units offering 9,000 sq ft of Floor Living Area, and 2 vacant lots for a total of 23,340 sq ft of land. All 12 units are each a 2/1, for a total of 24 bedrooms and 12 baths. Buyer to verify with the governing authorities building rights for the vacant lots. Property Data Cards for each parcel are found in documents.

$5,550,000
Key West
Macros Subdivisiond   - MM: 2.00
9 Bed, 9 Baths, 8,004 SqFt Days Listed: 4
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Motivated seller!10 Unit Apartment building with ground floor commercial. 9 one bedrooms with one studio apartment. The ground floor is currently being used as a laundromat. 24 parking spaces are on this property.

$6,900,000
Key West
Old Town Unlisted   - MM: 1.00
8 Bed, 8 Baths, 8,472 SqFt Days Listed: 77
Multi-Units - Active - Waterfront No
Side of Island: Median - Dockage: None

Step into Key West history with this remarkable property, available for the first time in generations! Located just a block from world-famous Duval Street and across from the Federal Courthouse, this property at 314 Simonton Street offers a unique blend of historic charm and modern potential. Originally a hotel with a Ford dealership on the ground floor, this three-level building is steeped in heritage. Even the legendary Ernest Hemingway chose it as his base, staying here for a month while awaiting delivery of his car in 1928. Currently set up and legally recognized as 8 units, an atrium, garage, and a pool, this property provides an unmatched opportunity for someone who loves trophy properties. Whether you envision a grand single-family estate or multi-unit living combined with commercial space on the lower level, the possibilities are endless.Dont miss the chance to own a piece of Key Wests past while shaping its future with this truly one-of-a-kind property.

$13,995,000
Cudjoe Key
Sacarma   - MM: 21.00
31 Bed, 31 Baths, SqFt Days Listed: 225
-3.45% ($500,000) 1 Price Change : Last Change 82 Days Ago
Multi-Units - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Ramp,Basin

Located on Cudjoe Key, only 20 miles from Key West. Transient use property, over 3.5 acres, 15 units (15 ROGO exemptions), over 300 feet of water frontage, boat basin, 3 concrete docks, one wooden dock, boat ramp. Shared coin laundry, 2 swimming pools, 3 private driveways. 2 parcels on US 1 are zoned Sub Urban Commercial, excellent rental history. Property spans from US 1 to the Atlantic Ocean. Owner is licensed Realtor. Please do not walk on the property without an appointment

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 01-29-2025.
Back To TopMore Info
Terms / Privacy / Accessibility ADA