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: 2.18% Traditional cash on cash: 0.35% Airbnb Rental Income: $5555 Traditional Rental Income: $2482 Airbnb ROI: 2.18% Traditional ROI: 0.35%
8700 Overseas Highway #LOT 1 Marathon, FL Offering a rare pre-construction opportunity at Seaward Pointe; this community embodies th...	4 beds \| 4 baths \| 2,643 sq.ft.	$3,200,000	Airbnb cash on cash: 0.99% Traditional cash on cash: -0.03% Airbnb Rental Income: $10583 Traditional Rental Income: $5584 Airbnb ROI: 0.99% Traditional ROI: -0.03%
389 N Anglers Drive #UNIT 204 Marathon, FL Welcome to Coral Club in the desirable waterfront neighborhood of Sombrero Beach. This 2-b...	2 beds \| 2 baths \| 938 sq.ft.	$475,000	Airbnb cash on cash: 7.31% Traditional cash on cash: 4.21% Airbnb Rental Income: $5335 Traditional Rental Income: $2881 Airbnb ROI: 7.31% Traditional ROI: 4.21%
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%
599 30Th Street Marathon, FL Turnkey, fully furnished and income-producing in Marathon! With weekly rentals permitted, ...	3 beds \| 2 baths \| 1,537 sq.ft.	$1,049,000	Airbnb cash on cash: 3.92% Traditional cash on cash: 2.71% Airbnb Rental Income: $7137 Traditional Rental Income: $4575 Airbnb ROI: 3.92% Traditional ROI: 2.71%
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%
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.	$2,750,000	Airbnb cash on cash: 2.1% Traditional cash on cash: 0.61% Airbnb Rental Income: $10583 Traditional Rental Income: $4834 Airbnb ROI: 2.1% Traditional ROI: 0.61%
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.	$559,995	Airbnb cash on cash: 6.24% Traditional cash on cash: 5.87% Airbnb Rental Income: $5335 Traditional Rental Income: $4059 Airbnb ROI: 6.24% Traditional ROI: 5.87%
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.	$6,950,000	Airbnb cash on cash: -0.11% Traditional cash on cash: -0.39% Airbnb Rental Income: $10583 Traditional Rental Income: $6855 Airbnb ROI: -0.11% Traditional ROI: -0.39%
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.	$819,000	Airbnb cash on cash: 5.54% Traditional cash on cash: 2.14% Airbnb Rental Income: $7137 Traditional Rental Income: $3161 Airbnb ROI: 5.54% Traditional ROI: 2.14%
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%
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.	$749,000	Airbnb cash on cash: 5.34% Traditional cash on cash: 3.42% Airbnb Rental Income: $7137 Traditional Rental Income: $4417 Airbnb ROI: 5.34% Traditional ROI: 3.42%
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.	$1,890,000	Airbnb cash on cash: 4.19% Traditional cash on cash: 1.33% Airbnb Rental Income: $12360 Traditional Rental Income: $5098 Airbnb ROI: 4.19% Traditional ROI: 1.33%
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%
2663 Yellowtail Drive Marathon, FL Your Florida Keys escape awaits in Marathon, with stunning water views and premier boating...	2 beds \| 2 baths \| 1,295 sq.ft.	$1,449,000	Airbnb cash on cash: 1.38% Traditional cash on cash: 0.8% Airbnb Rental Income: $5335 Traditional Rental Income: $3482 Airbnb ROI: 1.38% Traditional ROI: 0.8%
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%
1254 James Avenue Marathon, FL BEAUTIFUL BOOT HARBOR WATERFRONT 3BR-2BA-1CG, Deep Water 60 Ft Seawall-Dockage with new St...	3 beds \| 2 baths \| 1,152 sq.ft.	$875,000	Airbnb cash on cash: 5.25% Traditional cash on cash: 0.66% Airbnb Rental Income: $7137 Traditional Rental Income: $2021 Airbnb ROI: 5.25% Traditional ROI: 0.66%
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.	$1,590,000	Airbnb cash on cash: 1.2% Traditional cash on cash: 1.5% Airbnb Rental Income: $5335 Traditional Rental Income: $4712 Airbnb ROI: 1.2% Traditional ROI: 1.5%
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.	$2,299,900	Airbnb cash on cash: 1.45% Traditional cash on cash: 1.16% Airbnb Rental Income: $7137 Traditional Rental Income: $5143 Airbnb ROI: 1.45% Traditional ROI: 1.16%
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.	$560,000	Airbnb cash on cash: 6.19% Traditional cash on cash: 3.68% Airbnb Rental Income: $5335 Traditional Rental Income: $2943 Airbnb ROI: 6.19% Traditional ROI: 3.68%
699 116Th Street Ocean Marathon, FL Lowest Price Single Family Pool Home in Marathon! Weekly Rentals allowed! Tropical Keys Co...	2 beds \| 2 baths \| 1,176 sq.ft.	$765,432	Airbnb cash on cash: 4.13% Traditional cash on cash: 2.21% Airbnb Rental Income: $5335 Traditional Rental Income: $2883 Airbnb ROI: 4.13% Traditional ROI: 2.21%
574-576 99Th Street Marathon, FL Turnkey Duplex on Deep Water Canal Marathon Florida Rarely available beautifully renovated...	4 beds \| 4 baths \| 1,854 sq.ft.	$1,700,000	Airbnb cash on cash: 3.65% Traditional cash on cash: 1.61% Airbnb Rental Income: $10583 Traditional Rental Income: $5414 Airbnb ROI: 3.65% Traditional ROI: 1.61%
2919 Sombrero Boulevard Marathon, FL Marathon's Mermaid Manor is a waterfront home that truly lives up to its name. It is the k...	3 beds \| 4 baths \| 2,540 sq.ft.	$2,849,000	Airbnb cash on cash: 0.37% Traditional cash on cash: 0.6% Airbnb Rental Income: $7137 Traditional Rental Income: $6357 Airbnb ROI: 0.37% Traditional ROI: 0.6%
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.	$785,000	Airbnb cash on cash: 9.63% Traditional cash on cash: 3.43% Airbnb Rental Income: $10583 Traditional Rental Income: $4094 Airbnb ROI: 9.63% Traditional ROI: 3.43%
2600 Overseas Highway #UNIT 87 Marathon, FL RARE - DIRECT GULF FRONT CORNER TOWNHOME! Tranquility and stunning Bay views await! Welcom...	3 beds \| 3 baths \| 1,320 sq.ft.	$975,000	Airbnb cash on cash: 1.95% Traditional cash on cash: -0.73% Airbnb Rental Income: $7137 Traditional Rental Income: $3330 Airbnb ROI: 1.95% Traditional ROI: -0.73%
2600 Overseas Highway #UNIT 85 Marathon, FL A Proven Performer - Direct Gulf-Front Townhome at Tranquility Bay ResortSet against open ...	3 beds \| 3 baths \| 1,320 sq.ft.	$925,000	Airbnb cash on cash: 2.18% Traditional cash on cash: -0.68% Airbnb Rental Income: $7137 Traditional Rental Income: $3294 Airbnb ROI: 2.18% Traditional ROI: -0.68%
114 Mockingbird Lane Marathon, FL MOVE IN READY- FULLY REMODELED IN 2016 - 3 BEDROOM, 2 BATH HOME, ON A 1/4 ACRE LOT, HANDIC...	3 beds \| 2 baths \| 1,462 sq.ft.	$1,749,000	Airbnb cash on cash: 1.74% Traditional cash on cash: 0.57% Airbnb Rental Income: $7137 Traditional Rental Income: $3856 Airbnb ROI: 1.74% Traditional ROI: 0.57%
800 50Th Court Marathon, FL Charming Keys-style home with detached garage, covered carport, and paver driveway offerin...	2 beds \| 1 baths \| 1,226 sq.ft.	$849,900	Airbnb cash on cash: 3.61% Traditional cash on cash: 1.78% Airbnb Rental Income: $5335 Traditional Rental Income: $2807 Airbnb ROI: 3.61% Traditional ROI: 1.78%
305 50Th Street Ocean Marathon, FL A true Marathon canal-front classic, upgraded the right way. This completely renovated and...	2 beds \| 2 baths \| 936 sq.ft.	$1,139,000	Airbnb cash on cash: 2.2% Traditional cash on cash: 1.55% Airbnb Rental Income: $5335 Traditional Rental Income: $3570 Airbnb ROI: 2.2% Traditional ROI: 1.55%
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%
58213 Morton Street Marathon, FL Nestled on a secluded 2-acre lot in Grassy Key, Marathon, this gated waterfront estate boa...	3 beds \| 5 baths \| 4,000 sq.ft.	$4,699,000	Airbnb cash on cash: -0.02% Traditional cash on cash: 0.21% Airbnb Rental Income: $7137 Traditional Rental Income: $6781 Airbnb ROI: -0.02% Traditional ROI: 0.21%
12690 Overseas Highway #UNIT 310 Marathon, FL Welcome to Gulfpointe II, a Gulf front community offering lots of amenities including grea...	2 beds \| 3 baths \| 1,352 sq.ft.	$849,000	Airbnb cash on cash: 1.91% Traditional cash on cash: 1.5% Airbnb Rental Income: $5335 Traditional Rental Income: $3927 Airbnb ROI: 1.91% Traditional ROI: 1.5%
82 Tingler Lane Marathon, FL Sprawling Sombrero Beach newly renovated retreat on an oversized lot with pool, private sa...	4 beds \| 4 baths \| 3,222 sq.ft.	$3,699,000	Airbnb cash on cash: 0.93% Traditional cash on cash: 1.11% Airbnb Rental Income: $10583 Traditional Rental Income: $9239 Airbnb ROI: 0.93% Traditional ROI: 1.11%
10877 Overseas Highway #UNIT 44 Marathon, FL Ocean Isles Fishing Village Is an oceanfront complex. That sits on 7 acres. Brand new conc...	1 beds \| 2 baths \| 1,714 sq.ft.	$909,000	Airbnb cash on cash: 0.61% Traditional cash on cash: 1.57% Airbnb Rental Income: $3440 Traditional Rental Income: $3492 Airbnb ROI: 0.61% Traditional ROI: 1.57%
2600 Overseas Highway #UNIT 30 Marathon, FL Seize this rare opportunity to own a turnkey, income-producing property in one of the Flor...	2 beds \| 3 baths \| 850 sq.ft.	$464,000	Airbnb cash on cash: 2.39% Traditional cash on cash: -0.66% Airbnb Rental Income: $5335 Traditional Rental Income: $2932 Airbnb ROI: 2.39% Traditional ROI: -0.66%

Real Estate investment in Marathon, FL

There are 171 properties for sale in the city of Marathon . The median list price in Marathon is $1,150,000 and the average price per square foot is $593. In February 2026, the average monthly cash on cash return in Marathon is 1.00%. The average monthly rental income in Marathon is $3,363.

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

There are 171 investment properties available for sale in Marathon.

In 2026, 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: 2.18%

Traditional cash on cash: 0.35%

Airbnb Rental Income: $5555

Traditional Rental Income: $2482

Airbnb ROI: 2.18%

Traditional ROI: 0.35%

8700 Overseas Highway #LOT 1

Marathon, FL

4 beds | 4 baths | 2,643 sq.ft.

$3,200,000

Airbnb cash on cash: 0.99%

Traditional cash on cash: -0.03%

Airbnb Rental Income: $10583

Traditional Rental Income: $5584

Airbnb ROI: 0.99%

Traditional ROI: -0.03%

389 N Anglers Drive #UNIT 204

Marathon, FL

2 beds | 2 baths | 938 sq.ft.

$475,000

Airbnb cash on cash: 7.31%

Traditional cash on cash: 4.21%

Airbnb Rental Income: $5335

Traditional Rental Income: $2881

Airbnb ROI: 7.31%

Traditional ROI: 4.21%

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%

599 30Th Street

Marathon, FL

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

$1,049,000

Airbnb cash on cash: 3.92%

Traditional cash on cash: 2.71%

Airbnb Rental Income: $7137

Traditional Rental Income: $4575

Airbnb ROI: 3.92%

Traditional ROI: 2.71%

2000 Coco Plum Drive 301

Marathon, FL

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%