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.

Investment Property for Sale in Marathon, FL

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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: 6.99% Traditional cash on cash: 0.35% Airbnb Rental Income: $11722 Traditional Rental Income: $2482 Airbnb ROI: 6.99% Traditional ROI: 0.35%
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.	$2,200,000	Airbnb cash on cash: 2.77% Traditional cash on cash: 1.82% Airbnb Rental Income: $10583 Traditional Rental Income: $6684 Airbnb ROI: 2.77% Traditional ROI: 1.82%
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%
599 30Th Street Marathon, FL Turnkey, fully furnished and income-ready in Marathon! This solid, low-maintenance waterfr...	3 beds \| 2 baths \| 1,537 sq.ft.	$1,149,000	Airbnb cash on cash: 3.42% Traditional cash on cash: 2.31% Airbnb Rental Income: $7137 Traditional Rental Income: $4575 Airbnb ROI: 3.42% Traditional ROI: 2.31%
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%
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.	$1,775,000	Airbnb cash on cash: 3.68% Traditional cash on cash: 1.85% Airbnb Rental Income: $10583 Traditional Rental Income: $5617 Airbnb ROI: 3.68% Traditional ROI: 1.85%
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	$480,000	Airbnb cash on cash: 4.43% Traditional cash on cash: 3.07% Airbnb Rental Income: $3440 Traditional Rental Income: $2069 Airbnb ROI: 4.43% Traditional ROI: 3.07%
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%
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: 9.59% Traditional cash on cash: 3.42% Airbnb Rental Income: $10583 Traditional Rental Income: $4094 Airbnb ROI: 9.59% Traditional ROI: 3.42%
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.	$3,277,000	Airbnb cash on cash: 2.2% Traditional cash on cash: 0.54% Airbnb Rental Income: $12360 Traditional Rental Income: $5065 Airbnb ROI: 2.2% Traditional ROI: 0.54%
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.	$629,000	Airbnb cash on cash: 1.18% Traditional cash on cash: -1.95% Airbnb Rental Income: $5335 Traditional Rental Income: $2419 Airbnb ROI: 1.18% Traditional ROI: -1.95%
126 Sunrise Drive Marathon, FL * JUST COMPLETED SEPTEMBER 2025 * Nestled on the exclusive private gated island of Sunris...	5 beds \| 4 baths \| 3,415 sq.ft.	$6,700,000	Airbnb cash on cash: 0.55% Traditional cash on cash: -0.06% Airbnb Rental Income: $12360 Traditional Rental Income: $6325 Airbnb ROI: 0.55% Traditional ROI: -0.06%
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%
1021 27th Street Ocean Marathon, FL Brand New Coming in 2025: A Luxurious Waterfront Haven with Unparalleled Water Vistas, and...	5 beds \| 5 baths \| 3,200 sq.ft.	$2,749,000	Airbnb cash on cash: 2.79% Traditional cash on cash: 1.42% Airbnb Rental Income: $12360 Traditional Rental Income: $6610 Airbnb ROI: 2.79% Traditional ROI: 1.42%
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%
101 Windy Point Circle Marathon, FL For Sale by Owner/agent & priced below market value! Discover your dream waterfront lifest...	4 beds \| 3 baths \| 3,260 sq.ft.	$2,899,999	Airbnb cash on cash: 1.51% Traditional cash on cash: -0.73% Airbnb Rental Income: $10583 Traditional Rental Income: $2597 Airbnb ROI: 1.51% Traditional ROI: -0.73%
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%
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.	$849,000	Airbnb cash on cash: 3.75% Traditional cash on cash: 1.1% Airbnb Rental Income: $5335 Traditional Rental Income: $2167 Airbnb ROI: 3.75% Traditional ROI: 1.1%
389 N Anglers Drive #UNIT 204 Marathon, FL Welcome to Coral Club, ideally situated in the picturesque Sombrero Beach neighborhood--ju...	2 beds \| 2 baths \| 938 sq.ft.	$480,000	Airbnb cash on cash: 5.62% Traditional cash on cash: 2.56% Airbnb Rental Income: $5335 Traditional Rental Income: $2881 Airbnb ROI: 5.62% Traditional ROI: 2.56%
699 116Th Street Ocean Marathon, FL Tropical Keys Cottage with Ocean Views and plenty Outdoor Entertaining! Bright and airy, t...	2 beds \| 2 baths \| 1,176 sq.ft.	$769,000	Airbnb cash on cash: 4.06% Traditional cash on cash: 2.14% Airbnb Rental Income: $5335 Traditional Rental Income: $2883 Airbnb ROI: 4.06% Traditional ROI: 2.14%
2919 Sombrero Boulevard Marathon, FL A beautifully upgraded waterfront home in Marathon's desirable Sombrero Golf Course neighb...	3 beds \| 4 baths \| 2,540 sq.ft.	$2,899,000	Airbnb cash on cash: 0.27% Traditional cash on cash: 0.49% Airbnb Rental Income: $7137 Traditional Rental Income: $6357 Airbnb ROI: 0.27% Traditional ROI: 0.49%
1190 91st St Ocean Marathon, FL Experience the breathtaking beauty of Marathon Key with this exceptional waterfront proper...	3 beds \| 2 baths \| 1,056 sq.ft.	$1,145,000	Airbnb cash on cash: 3.6% Traditional cash on cash: 1.79% Airbnb Rental Income: $7137 Traditional Rental Income: $3835 Airbnb ROI: 3.6% Traditional ROI: 1.79%
10877 Overseas Highway #UNIT 85 Marathon, FL Overseas Hwy Oceanfront unit 85 is a corner unit with one of the best views in complex. Th...	1 beds \| 2 baths \| 850 sq.ft.	$999,999	Airbnb cash on cash: 1.21% Traditional cash on cash: 1.01% Airbnb Rental Income: $3440 Traditional Rental Income: $2497 Airbnb ROI: 1.21% Traditional ROI: 1.01%
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%
95 Coco Plum Drive #UNIT 1A Marathon, FL Bonefish Townhomes -- Your Waterfront Escape Awaits!Welcome to the best of Florida Keys li...	2 beds \| 3 baths \| 1,838 sq.ft.	$1,465,000	Airbnb cash on cash: 0.78% Traditional cash on cash: 0.43% Airbnb Rental Income: $5335 Traditional Rental Income: $3769 Airbnb ROI: 0.78% Traditional ROI: 0.43%
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%
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%
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%
104 52Nd St Ocean Street Marathon, FL LUXURY WATERFRONT HOME WITH STUNNING WATER VIEWS FROM ALMOST EVERY ROOM OR HAVE EXCEPTIONA...	3 beds \| 3 baths \| 1,481 sq.ft.	$1,450,000	Airbnb cash on cash: 2.47% Traditional cash on cash: 1.33% Airbnb Rental Income: $7137 Traditional Rental Income: $4233 Airbnb ROI: 2.47% Traditional ROI: 1.33%
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.	$819,000	Airbnb cash on cash: 4.8% Traditional cash on cash: 3.04% Airbnb Rental Income: $7137 Traditional Rental Income: $4417 Airbnb ROI: 4.8% Traditional ROI: 3.04%
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.	$1,399,000	Airbnb cash on cash: 6% Traditional cash on cash: 2.15% Airbnb Rental Income: $12360 Traditional Rental Income: $5098 Airbnb ROI: 6% Traditional ROI: 2.15%
840 62Nd Street Ocean Street Marathon, FL Your piece of Marathon paradise! Don't miss this completely upgraded 3 bedroom / 3 bathroo...	3 beds \| 3 baths \| 1,380 sq.ft.	$1,595,000	Airbnb cash on cash: 2.38% Traditional cash on cash: 1.26% Airbnb Rental Income: $7137 Traditional Rental Income: $4096 Airbnb ROI: 2.38% Traditional ROI: 1.26%
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%
58618 Overseas Highway Marathon, FL Dreaming of your own beach house in the Keys? Welcome to Casa de la Playa in Grassy Key, w...	4 beds \| 5 baths \| 2,433 sq.ft.	$2,395,000	Airbnb cash on cash: 2.07% Traditional cash on cash: 2.31% Airbnb Rental Income: $10583 Traditional Rental Income: $9150 Airbnb ROI: 2.07% Traditional ROI: 2.31%
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.	$7,900,000	Airbnb cash on cash: -0.09% Traditional cash on cash: -0.61% Airbnb Rental Income: $12360 Traditional Rental Income: $6370 Airbnb ROI: -0.09% Traditional ROI: -0.61%

Real Estate investment in Marathon, FL

There are 105 properties for sale in the city of Marathon . The median list price in Marathon is $1,362,500 and the average price per square foot is $675. In October 2025, the average monthly cash on cash return in Marathon is 1.00%. The average monthly rental income in Marathon is $3,390.

Marathon, FL Real Estate Investing: FAQs for Buyers, Sellers and Investors

There are 105 investment properties available for sale in Marathon.

In 2025, the best neighborhood to buy investment property is Marathon.

The ROI for Short-Term is higher than the Long-Term in Marathon with average rental income of $7,137.

Your search for investment property begins and ends here

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: 6.99%

Traditional cash on cash: 0.35%

Airbnb Rental Income: $11722

Traditional Rental Income: $2482

Airbnb ROI: 6.99%

Traditional ROI: 0.35%

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.

$2,200,000

Airbnb cash on cash: 2.77%

Traditional cash on cash: 1.82%

Airbnb Rental Income: $10583

Traditional Rental Income: $6684

Airbnb ROI: 2.77%

Traditional ROI: 1.82%

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%

599 30Th Street

Marathon, FL

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

$1,149,000

Airbnb cash on cash: 3.42%

Traditional cash on cash: 2.31%

Airbnb Rental Income: $7137

Traditional Rental Income: $4575

Airbnb ROI: 3.42%

Traditional ROI: 2.31%

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%

1037 82Nd Street Ocean Street Ocean

Marathon, FL

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

$1,775,000

Airbnb cash on cash: 3.68%

Traditional cash on cash: 1.85%

Airbnb Rental Income: $10583

Traditional Rental Income: $5617

Airbnb ROI: 3.68%

Traditional ROI: 1.85%

2000 Coco Plum Drive 301

Marathon, FL

1 beds | 2 baths | N/A

$480,000

Airbnb cash on cash: 4.43%

Traditional cash on cash: 3.07%

Airbnb Rental Income: $3440

Traditional Rental Income: $2069

Airbnb ROI: 4.43%