Real Estate Investment Properties for Sale in Marathon, FL

Looking for investment property in Marathon, FL with high ROI ?

Explore a variety of short-term homes & houses in Marathon, FL. Invest wisely with VRBO & Marathon, FL Airbnb properties available for purchase. Find your ideal investment property among our curated listings for a rewarding real estate venture.

Boro Investment Property for Sale in Marathon, FL

Search for Boro Investment Property for Sale in Marathon, Florida. Browse all of Mashvisor’s Boro Investment Property listings and other investment property types including Single Family Homes, Multi Family Homes, Condos, Townhouses and Other Homes.

Showing 107 Boro Investment Property listings of over 500,000 total investment properties for sale. Visit Mashvisor.com to all investment properties.

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PROPERTY	DETAILS	SALE PRICE	INVESTMENT PERFORMANCE
7061 harbor village dr Duck Key, FL	3 beds \| 3 baths \| N/A	$1,150,000	Airbnb cash on cash: 2.18% Traditional cash on cash: 0.35% Airbnb Rental Income: $5555 Traditional Rental Income: $2482 Airbnb ROI: 2.18% Traditional ROI: 0.35%
1037 82Nd Street Ocean Street Ocean Marathon, FL Introducing an exquisite fairly new constructed home in Marathon, FL, boasting four bedroo...	4 beds \| 5 baths \| 2,160 sq.ft.	$1,675,000	Airbnb cash on cash: 3.96% Traditional cash on cash: 2.02% Airbnb Rental Income: $10583 Traditional Rental Income: $5617 Airbnb ROI: 3.96% Traditional ROI: 2.02%
1037 82nd Marathon, FL Introducing an exquisite fairly new constructed home in Marathon, FL, boasting four bedroo...	4 beds \| 5 baths \| 2,160 sq.ft.	$1,675,000	Airbnb cash on cash: 3.98% Traditional cash on cash: 2.04% Airbnb Rental Income: $10583 Traditional Rental Income: $5621 Airbnb ROI: 3.98% Traditional ROI: 2.04%
7951 Gulfstream Boulevard Marathon, FL Nestled in a beautiful Marathon Florida neighborhood, this concrete-built gem offers a pee...	3 beds \| 2 baths \| 1,538 sq.ft.	$689,000	Airbnb cash on cash: 7.45% Traditional cash on cash: 4.19% Airbnb Rental Income: $7137 Traditional Rental Income: $3663 Airbnb ROI: 7.45% Traditional ROI: 4.19%
13755 Overseas Highway Marathon, FL Position yourself at the gateway to one of the most sought after markets in the Keys. This...	4 beds \| 4 baths \| 3,017 sq.ft.	$1,800,000	Airbnb cash on cash: 3.61% Traditional cash on cash: 2.45% Airbnb Rental Income: $10583 Traditional Rental Income: $6684 Airbnb ROI: 3.61% Traditional ROI: 2.45%
109 Avenue D 302 Marathon, FL Prepare to be wowed! This 1-bedroom, 1-bath condo is truly one of the most beautifully des...	1 beds \| 1 baths \| 600 sq.ft.	$425,000	Airbnb cash on cash: 4.76% Traditional cash on cash: 2.72% Airbnb Rental Income: $3440 Traditional Rental Income: $1866 Airbnb ROI: 4.76% Traditional ROI: 2.72%
109 Avenue D 305 Marathon, FL This one-bedroom, one-and-a-half-bath condo blends comfort, style, and coastal convenience...	1 beds \| 2 baths \| 600 sq.ft.	$435,000	Airbnb cash on cash: 4.66% Traditional cash on cash: 2.83% Airbnb Rental Income: $3440 Traditional Rental Income: $1933 Airbnb ROI: 4.66% Traditional ROI: 2.83%
599 30Th Street Marathon, FL Turnkey, fully furnished and income-ready in Marathon! With weekly rentals permitted, this...	3 beds \| 2 baths \| 1,537 sq.ft.	$1,100,000	Airbnb cash on cash: 3.65% Traditional cash on cash: 2.5% Airbnb Rental Income: $7137 Traditional Rental Income: $4575 Airbnb ROI: 3.65% Traditional ROI: 2.5%
2000 Coco Plum Drive 301 Marathon, FL Welcome to Bonefish Towers, where this stunning one-bedroom, one-and-a-half-bath oceanfron...	1 beds \| 2 baths \| N/A	$450,000	Airbnb cash on cash: 4.79% Traditional cash on cash: 3.34% Airbnb Rental Income: $3440 Traditional Rental Income: $2069 Airbnb ROI: 4.79% Traditional ROI: 3.34%
11600 1St Avenue Gulf #UNIT 32 Marathon, FL LUXURIOUS townhome in desirable INDIGO REEF located in Marathon! One of the most beautiful...	3 beds \| 3 baths \| 1,600 sq.ft.	$1,499,000	Airbnb cash on cash: 1.87% Traditional cash on cash: -0.01% Airbnb Rental Income: $7137 Traditional Rental Income: $3142 Airbnb ROI: 1.87% Traditional ROI: -0.01%
2600 Overseas Highway #UNIT 57 Marathon, FL Discover coastal charm in this two bedroom, two and one half bath home in the heart of Tra...	2 beds \| 3 baths \| 850 sq.ft.	$475,000	Airbnb cash on cash: 1.88% Traditional cash on cash: -2.26% Airbnb Rental Income: $5335 Traditional Rental Income: $2419 Airbnb ROI: 1.88% Traditional ROI: -2.26%
908 66Th Street Marathon, FL Triplex in the heart of Marathon. Configured as 3/1, 1/1, and studio apartment. Great inco...	4 beds \| 3 baths \| 2,074 sq.ft.	$789,000	Airbnb cash on cash: 9.62% Traditional cash on cash: 3.45% Airbnb Rental Income: $10583 Traditional Rental Income: $4094 Airbnb ROI: 9.62% Traditional ROI: 3.45%
10877 Overseas Highway #UNIT 30 Marathon, FL Stunning 2-Story Oceanfront Townhouse in Ocean Isles Fishing VillageThis newly rebuilt 1-b...	1 beds \| 2 baths \| 850 sq.ft.	$599,000	Airbnb cash on cash: 2.83% Traditional cash on cash: 1.55% Airbnb Rental Income: $3440 Traditional Rental Income: $1963 Airbnb ROI: 2.83% Traditional ROI: 1.55%
120 Pirates Cove Drive Marathon, FL Experience waterfront living at its finest in this beautiful 2 story residence with a gro...	4 beds \| 4 baths \| 3,476 sq.ft.	$2,850,000	Airbnb cash on cash: 1.99% Traditional cash on cash: 0.55% Airbnb Rental Income: $10583 Traditional Rental Income: $4834 Airbnb ROI: 1.99% Traditional ROI: 0.55%
11339 5Th Avenue Ocean Marathon, FL NOT a Trailer - CBS Construction * GREAT PROPERTY in the Heart of Little Venice Marat...	2 beds \| 1 baths \| 1,096 sq.ft.	$574,995	Airbnb cash on cash: 6.06% Traditional cash on cash: 5.69% Airbnb Rental Income: $5335 Traditional Rental Income: $4059 Airbnb ROI: 6.06% Traditional ROI: 5.69%
57121 Morton Street Marathon, FL Morton Manor is a timeless estate nestled along the Gulf's bay waters, evoking a sense of ...	4 beds \| 5 baths \| 5,168 sq.ft.	$7,450,000	Airbnb cash on cash: -0.17% Traditional cash on cash: -0.43% Airbnb Rental Income: $10583 Traditional Rental Income: $6855 Airbnb ROI: -0.17% Traditional ROI: -0.43%
58704 Overseas Highway Marathon, FL Welcome to a rare gem in Grassy Key--this unique property offers an incredible opportunity...	2 beds \| 1 baths \| 1,160 sq.ft.	$619,000	Airbnb cash on cash: 5.49% Traditional cash on cash: 1.88% Airbnb Rental Income: $5335 Traditional Rental Income: $2167 Airbnb ROI: 5.49% Traditional ROI: 1.88%
1021 82nd Street Marathon, FL Welcome to your dream home in the breathtaking Florida Keys! This newly built, four-bedroo...	4 beds \| 5 baths \| 2,160 sq.ft.	$1,975,000	Airbnb cash on cash: 3.08% Traditional cash on cash: 1.84% Airbnb Rental Income: $10583 Traditional Rental Income: $6359 Airbnb ROI: 3.08% Traditional ROI: 1.84%
2394 Coco Plum Drive Marathon, FL Welcome to an unparalleled collection of THREE designer residences on one of the most excl...	18 beds \| 21 baths \| 12,198 sq.ft.	$11,000,000	Airbnb cash on cash: -0.59% Traditional cash on cash: -0.52% Airbnb Rental Income: $10583 Traditional Rental Income: $9333 Airbnb ROI: -0.59% Traditional ROI: -0.52%
1109 76th Street Ocean Marathon, FL FL Keys poolside paradise! Enclosed 720sq ft area- opens to pool oasis and lounge area-per...	3 beds \| 2 baths \| 1,200 sq.ft.	$827,000	Airbnb cash on cash: 5.47% Traditional cash on cash: 2.1% Airbnb Rental Income: $7137 Traditional Rental Income: $3161 Airbnb ROI: 5.47% Traditional ROI: 2.1%
564 Sombrero Beach Road Marathon, FL Coastal Luxury Meets Keys Living - Dock, Pool & Guest Suite!Welcome to your slice of parad...	3 beds \| 3 baths \| 1,953 sq.ft.	$2,150,000	Airbnb cash on cash: 1.33% Traditional cash on cash: 0.53% Airbnb Rental Income: $7137 Traditional Rental Income: $4152 Airbnb ROI: 1.33% Traditional ROI: 0.53%
57485 Gibson Street Marathon, FL Above Flood! Charm and Comfort in Grassy Key - Your Slice of Paradise Awaits! Discover the...	3 beds \| 2 baths \| 1,056 sq.ft.	$595,000	Airbnb cash on cash: 8.37% Traditional cash on cash: 2.31% Airbnb Rental Income: $7137 Traditional Rental Income: $2394 Airbnb ROI: 8.37% Traditional ROI: 2.31%
59733 Paradise Place Marathon, FL Spectacular new construction home coming soon in Grassy Key, Marathon. This fully concrete...	5 beds \| 5 baths \| 4,000 sq.ft.	$4,500,000	Airbnb cash on cash: 1.32% Traditional cash on cash: -0.3% Airbnb Rental Income: $12360 Traditional Rental Income: $3354 Airbnb ROI: 1.32% Traditional ROI: -0.3%
12400 Overseas Highway #UNIT 3 Marathon, FL Welcome to your slice of paradise in Marathon, where the Florida Keys lifestyle meets exce...	3 beds \| 3 baths \| 1,493 sq.ft.	$799,000	Airbnb cash on cash: 4.95% Traditional cash on cash: 3.14% Airbnb Rental Income: $7137 Traditional Rental Income: $4417 Airbnb ROI: 4.95% Traditional ROI: 3.14%
11250 5Th Avenue Gulf Avenue Marathon, FL Welcome to this charming waterfront home located at 11250 5th Avenue Gulf in Marathon, FL....	5 beds \| 3 baths \| 1,904 sq.ft.	$1,773,000	Airbnb cash on cash: 4.53% Traditional cash on cash: 1.49% Airbnb Rental Income: $12360 Traditional Rental Income: $5098 Airbnb ROI: 4.53% Traditional ROI: 1.49%
440 48Th Street Marathon, FL Spacious Full Waterfront stilted Duplex, Metal Roof, Accordion Shutters, w/ 75 ft concrete...	6 beds \| 4 baths \| 2,244 sq.ft.	$1,750,000	Airbnb cash on cash: 4.05% Traditional cash on cash: 2.37% Airbnb Rental Income: $10583 Traditional Rental Income: $5901 Airbnb ROI: 4.05% Traditional ROI: 2.37%
1590 Pelican Pass Marathon, FL Looking for one of the most unique Bayfront Estates in the Florida keys, well you just fou...	5 beds \| 4 baths \| 3,992 sq.ft.	$5,700,000	Airbnb cash on cash: 0.42% Traditional cash on cash: -0.08% Airbnb Rental Income: $12360 Traditional Rental Income: $7478 Airbnb ROI: 0.42% Traditional ROI: -0.08%
108 Sunrise Drive Marathon, FL Nestled on the exclusive private gated island of Sunrise Isles in Marathon, Florida Keys. ...	5 beds \| 4 baths \| 3,434 sq.ft.	$7,500,000	Airbnb cash on cash: -0.05% Traditional cash on cash: -0.58% Airbnb Rental Income: $12360 Traditional Rental Income: $6370 Airbnb ROI: -0.05% Traditional ROI: -0.58%
305 50Th Street Ocean Street Ocean Marathon, FL Experience the essence of modern coastal living at 305 50th Street, a beautifully reimagin...	2 beds \| 2 baths \| 936 sq.ft.	$1,175,000	Airbnb cash on cash: 2.08% Traditional cash on cash: 0.87% Airbnb Rental Income: $5335 Traditional Rental Income: $2940 Airbnb ROI: 2.08% Traditional ROI: 0.87%
2663 Yellowtail Drive Marathon, FL Your Florida Keys escape awaits in Marathon, with stunning water views and premier boating...	3 beds \| 2 baths \| 1,295 sq.ft.	$1,499,000	Airbnb cash on cash: 2.38% Traditional cash on cash: 0.74% Airbnb Rental Income: $7137 Traditional Rental Income: $3482 Airbnb ROI: 2.38% Traditional ROI: 0.74%
850 92Nd Street Marathon, FL Arrive in style, fly into the Marathon Airport and walk across the street to this Beautifu...	5 beds \| 4 baths \| 3,000 sq.ft.	$2,995,000	Airbnb cash on cash: 2.5% Traditional cash on cash: 0.68% Airbnb Rental Income: $12360 Traditional Rental Income: $5065 Airbnb ROI: 2.5% Traditional ROI: 0.68%
66 Tingler Lane Marathon, FL Imagine being just minutes from Sombrero Beach and only a 3-minute boat ride to the Atlant...	3 beds \| 2 baths \| 1,800 sq.ft.	$2,250,000	Airbnb cash on cash: 1.03% Traditional cash on cash: 0.1% Airbnb Rental Income: $7137 Traditional Rental Income: $3816 Airbnb ROI: 1.03% Traditional ROI: 0.1%
715 65Th Street Ocean Marathon, FL Spacious 4 bed, 3 bath residence in Marathon, FL. This property boasts brand new appliance...	4 beds \| 3 baths \| 2,158 sq.ft.	$830,000	Airbnb cash on cash: 9.5% Traditional cash on cash: 4.89% Airbnb Rental Income: $10583 Traditional Rental Income: $5069 Airbnb ROI: 9.5% Traditional ROI: 4.89%
1254 James Avenue Marathon, FL BEAUTIFUL BOOT HARBOR WATERFRONT 3BR-2BA-1CG in Harbor Isle. Spectacular Open Water Vistas...	3 beds \| 2 baths \| 1,152 sq.ft.	$899,000	Airbnb cash on cash: 5.08% Traditional cash on cash: 0.62% Airbnb Rental Income: $7137 Traditional Rental Income: $2021 Airbnb ROI: 5.08% Traditional ROI: 0.62%
945 98Th Street Marathon, FL Breathtaking ocean views from this direct ocean access beautiful home that checks all the ...	3 beds \| 4 baths \| 1,590 sq.ft.	$1,650,000	Airbnb cash on cash: 4.94% Traditional cash on cash: 1.41% Airbnb Rental Income: $12360 Traditional Rental Income: $4712 Airbnb ROI: 4.94% Traditional ROI: 1.41%
1 Ocean East Marathon, FL Wake up to breathtaking turquoise ocean views in this stunning 3BD/2.5BA coastal retreat, ...	3 beds \| 3 baths \| 2,244 sq.ft.	$2,599,000	Airbnb cash on cash: 1.17% Traditional cash on cash: 0.91% Airbnb Rental Income: $7137 Traditional Rental Income: $5143 Airbnb ROI: 1.17% Traditional ROI: 0.91%
11405 3Rd Avenue Ocean Marathon, FL Stunning property in Little Venice, fully furnished and located in the heart of the Florid...	2 beds \| 2 baths \| 1,220 sq.ft.	$585,000	Airbnb cash on cash: 5.89% Traditional cash on cash: 3.48% Airbnb Rental Income: $5335 Traditional Rental Income: $2943 Airbnb ROI: 5.89% Traditional ROI: 3.48%
126 Sunrise Drive Marathon, FL * JUST COMPLETED SEPTEMBER 2025 * * SELLER FINANCING AVAILABLE *Nestled on the exclusive ...	5 beds \| 4 baths \| 3,415 sq.ft.	$6,300,000	Airbnb cash on cash: 0.57% Traditional cash on cash: -0.08% Airbnb Rental Income: $12360 Traditional Rental Income: $6325 Airbnb ROI: 0.57% Traditional ROI: -0.08%
105 Avenue D #UNIT 113 Marathon, FL Welcome to your slice of paradise! This beautifully updated one-bedroom, one-bath condomin...	1 beds \| 1 baths \| 664 sq.ft.	$429,000	Airbnb cash on cash: 2.67% Traditional cash on cash: 1.08% Airbnb Rental Income: $3440 Traditional Rental Income: $2040 Airbnb ROI: 2.67% Traditional ROI: 1.08%
780 95th Street Ocean Marathon, FL New on the market! Ideally located in the heart of Marathon, FL - just minutes from shops,...	4 beds \| 3 baths \| 1,448 sq.ft.	$850,000	Airbnb cash on cash: 9.11% Traditional cash on cash: 2.74% Airbnb Rental Income: $10583 Traditional Rental Income: $3592 Airbnb ROI: 9.11% Traditional ROI: 2.74%

Your search for investment property begins and ends here

Boro Investment Property for Sale in Marathon, FL

7061 harbor village dr

Duck Key, FL

3 beds | 3 baths | N/A

$1,150,000

Airbnb cash on cash: 2.18%

Traditional cash on cash: 0.35%

Airbnb Rental Income: $5555

Traditional Rental Income: $2482

Airbnb ROI: 2.18%

Traditional ROI: 0.35%

1037 82Nd Street Ocean Street Ocean

Marathon, FL

4 beds | 5 baths | 2,160 sq.ft.

$1,675,000

Airbnb cash on cash: 3.96%

Traditional cash on cash: 2.02%

Airbnb Rental Income: $10583

Traditional Rental Income: $5617

Airbnb ROI: 3.96%

Traditional ROI: 2.02%

1037 82nd

Marathon, FL

4 beds | 5 baths | 2,160 sq.ft.

$1,675,000

Airbnb cash on cash: 3.98%

Traditional cash on cash: 2.04%

Airbnb Rental Income: $10583

Traditional Rental Income: $5621

Airbnb ROI: 3.98%

Traditional ROI: 2.04%

7951 Gulfstream Boulevard

Marathon, FL

3 beds | 2 baths | 1,538 sq.ft.

$689,000

Airbnb cash on cash: 7.45%

Traditional cash on cash: 4.19%

Airbnb Rental Income: $7137

Traditional Rental Income: $3663

Airbnb ROI: 7.45%

Traditional ROI: 4.19%

13755 Overseas Highway

Marathon, FL

4 beds | 4 baths | 3,017 sq.ft.

$1,800,000

Airbnb cash on cash: 3.61%

Traditional cash on cash: 2.45%

Airbnb Rental Income: $10583

Traditional Rental Income: $6684

Airbnb ROI: 3.61%

Traditional ROI: 2.45%

109 Avenue D 302

Marathon, FL

1 beds | 1 baths | 600 sq.ft.

$425,000

Airbnb cash on cash: 4.76%

Traditional cash on cash: 2.72%

Airbnb Rental Income: $3440

Traditional Rental Income: $1866

Airbnb ROI: 4.76%

Traditional ROI: 2.72%

109 Avenue D 305

Marathon, FL

1 beds | 2 baths | 600 sq.ft.

$435,000

Airbnb cash on cash: 4.66%

Traditional cash on cash: 2.83%

Airbnb Rental Income: $3440

Traditional Rental Income: $1933

Airbnb ROI: 4.66%

Traditional ROI: 2.83%

599 30Th Street

Marathon, FL

3 beds | 2 baths | 1,537 sq.ft.

$1,100,000

Airbnb cash on cash: 3.65%

Traditional cash on cash: 2.5%

Airbnb Rental Income: $7137

Traditional Rental Income: $4575

Airbnb ROI: 3.65%