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: 3.16% Traditional cash on cash: 0.35% Airbnb Rental Income: $6807 Traditional Rental Income: $2482 Airbnb ROI: 3.16% Traditional ROI: 0.35%
969 Ocotillo Lane Marathon, FL The Boater's Dream. Navigate the Marathon waters with ease right from your backyard. This ...	3 beds \| 3 baths \| 2,311 sq.ft.	$2,149,000	Airbnb cash on cash: -0.17% Traditional cash on cash: 0.16% Airbnb Rental Income: $4015 Traditional Rental Income: $3798 Airbnb ROI: -0.17% Traditional ROI: 0.16%
1297 73rd Street Ocean Marathon, FL What a gem! This elevated two-bedroom half-duplex offers tons of natural light and peacefu...	2 beds \| 1 baths \| 768 sq.ft.	$479,000	Airbnb cash on cash: 2.71% Traditional cash on cash: 5.18% Airbnb Rental Income: $2691 Traditional Rental Income: $3161 Airbnb ROI: 2.71% Traditional ROI: 5.18%
4800 Overseas Highway 54 Marathon, FL Presenting an extraordinary pre-construction opportunity to own a luxury oceanfront master...	4 beds \| 4 baths \| 3,714 sq.ft.	$6,500,000	Airbnb cash on cash: -0.43% Traditional cash on cash: -0.21% Airbnb Rental Income: $5254 Traditional Rental Income: $5498 Airbnb ROI: -0.43% Traditional ROI: -0.21%
14 Avenue F Marathon, FL A rare waterfront estate along a 200-foot wide canal with a 110-foot dock and direct ocean...	4 beds \| 4 baths \| 3,224 sq.ft.	$2,795,000	Airbnb cash on cash: 0.18% Traditional cash on cash: 1.35% Airbnb Rental Income: $5254 Traditional Rental Income: $7222 Airbnb ROI: 0.18% Traditional ROI: 1.35%
443 Sombrero Beach Rd Marathon, FL Weekly rental income-producing property with open water access and dockage on desirable So...	5 beds \| 5 baths \| 2,860 sq.ft.	$2,875,000	Airbnb cash on cash: 0.87% Traditional cash on cash: 1.19% Airbnb Rental Income: $9146 Traditional Rental Income: $8297 Airbnb ROI: 0.87% Traditional ROI: 1.19%
105 Avenue D 111 Marathon, FL Wake up to waterfront balcony views, spend your days on the water, and generate rental inc...	1 beds \| 1 baths \| 600 sq.ft.	$435,000	Airbnb cash on cash: 1.8% Traditional cash on cash: 2.38% Airbnb Rental Income: $2182 Traditional Rental Income: $1866 Airbnb ROI: 1.8% Traditional ROI: 2.38%
10877 Overseas Highway 111 Marathon, FL Oceanfront Luxury at Ocean Isles Fishing Village! Private Marina and Boat Ramp.Welcome to ...	1 beds \| 2 baths \| 850 sq.ft.	$645,000	Airbnb cash on cash: 0.87% Traditional cash on cash: 2.92% Airbnb Rental Income: $2182 Traditional Rental Income: $2867 Airbnb ROI: 0.87% Traditional ROI: 2.92%
11600 1St Avenue Gulf #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: 0% Traditional cash on cash: 0.7% Airbnb Rental Income: $4015 Traditional Rental Income: $4127 Airbnb ROI: 0% Traditional ROI: 0.7%
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.	$6,450,000	Airbnb cash on cash: -0.79% Traditional cash on cash: 0.74% Airbnb Rental Income: $5254 Traditional Rental Income: $13297 Airbnb ROI: -0.79% Traditional ROI: 0.74%
120 Pirates Cove Drive Marathon, FL INVESTORS will appreciate and experience waterfront living at its finest in this beautiful...	4 beds \| 4 baths \| 3,476 sq.ft.	$2,299,000	Airbnb cash on cash: 0.62% Traditional cash on cash: 3.16% Airbnb Rental Income: $5254 Traditional Rental Income: $9613 Airbnb ROI: 0.62% Traditional ROI: 3.16%
14 125Th Street Gulf Marathon, FL Live and/or work in this RARE 100' of waterfront re-development opportunity with DEEP WATE...	10 beds \| 9 baths \| 6,128 sq.ft.	$3,549,000	Airbnb cash on cash: 0.49% Traditional cash on cash: 1.34% Airbnb Rental Income: $9146 Traditional Rental Income: $10250 Airbnb ROI: 0.49% Traditional ROI: 1.34%
6099 Overseas Highway #4W Marathon, FL You get the home and the land at this incredible price! Enjoy the current home immediately...	2 beds \| 1 baths \| 584 sq.ft.	$329,000	Airbnb cash on cash: 3.61% Traditional cash on cash: 6.08% Airbnb Rental Income: $2691 Traditional Rental Income: $2817 Airbnb ROI: 3.61% Traditional ROI: 6.08%
2394 Coco Plum Drive Marathon, FL Welcome to an unparalleled collection of THREE designer residences on one of the most excl...	18 beds \| 20 baths \| 12,198 sq.ft.	$11,000,000	Airbnb cash on cash: -0.71% Traditional cash on cash: 0.21% Airbnb Rental Income: $9146 Traditional Rental Income: $16773 Airbnb ROI: -0.71% Traditional ROI: 0.21%
11285 6Th Avenue Gulf Marathon, FL Turnkey vacation rental on 75ft deep-water canal with heated pool & dock -- one canal to G...	3 beds \| 2 baths \| 1,242 sq.ft.	$1,349,000	Airbnb cash on cash: 0.76% Traditional cash on cash: 1.8% Airbnb Rental Income: $4015 Traditional Rental Income: $4458 Airbnb ROI: 0.76% Traditional ROI: 1.8%
11250 5Th Avenue Gulf Marathon, FL FLORIDA KEYS WATERFRONT VALUE 5 BEDROOMS - DIRECT GULF ACCESS - TWO-STORY LAYOUT Located i...	5 beds \| 3 baths \| 1,904 sq.ft.	$1,750,000	Airbnb cash on cash: 2.96% Traditional cash on cash: 2.71% Airbnb Rental Income: $9146 Traditional Rental Income: $7026 Airbnb ROI: 2.96% Traditional ROI: 2.71%
329 63 Court Gulf Marathon, FL 'United States Bankruptcy Auction. The Listing Price is for MLS Purposes only. Actual Pric...	2 beds \| 2 baths \| 1,302 sq.ft.	$500,000	Airbnb cash on cash: 2.1% Traditional cash on cash: 5.76% Airbnb Rental Income: $2691 Traditional Rental Income: $3767 Airbnb ROI: 2.1% Traditional ROI: 5.76%
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.	$739,900	Airbnb cash on cash: 1.1% Traditional cash on cash: 3.33% Airbnb Rental Income: $2691 Traditional Rental Income: $3589 Airbnb ROI: 1.1% Traditional ROI: 3.33%
11231 2nd Ave Ocean Marathon, FL Welcome to your slice of paradise in beautiful Marathon! Perfectly situated near the airpo...	2 beds \| 2 baths \| 875 sq.ft.	$545,000	Airbnb cash on cash: 2.04% Traditional cash on cash: 4.86% Airbnb Rental Income: $2691 Traditional Rental Income: $3492 Airbnb ROI: 2.04% Traditional ROI: 4.86%
1 Avenue F Marathon, FL 1 Ave F, Marathon, FL 33050. Beautiful canal front home for sale in Marathon Florida. This...	2 beds \| 2 baths \| 1,515 sq.ft.	$1,649,999	Airbnb cash on cash: -0.12% Traditional cash on cash: 1.44% Airbnb Rental Income: $2691 Traditional Rental Income: $4446 Airbnb ROI: -0.12% Traditional ROI: 1.44%
11295 6Th Avenue Gulf Marathon, FL Waterfront corner lot with 80ft of canal frontage across from a nature preserve -- a hidde...	3 beds \| 2 baths \| 1,392 sq.ft.	$1,150,000	Airbnb cash on cash: 1.19% Traditional cash on cash: 2.64% Airbnb Rental Income: $4015 Traditional Rental Income: $4704 Airbnb ROI: 1.19% Traditional ROI: 2.64%
1262 Marlin Drive Marathon, FL Located in the heart of Marathon, this property offers an excellent opportunity to enjoy t...	3 beds \| 2 baths \| 1,424 sq.ft.	$619,990	Airbnb cash on cash: 3.54% Traditional cash on cash: 5.65% Airbnb Rental Income: $4015 Traditional Rental Income: $4378 Airbnb ROI: 3.54% Traditional ROI: 5.65%
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: -0.18% Traditional cash on cash: 0.77% Airbnb Rental Income: $4015 Traditional Rental Income: $5134 Airbnb ROI: -0.18% Traditional ROI: 0.77%
417 95Th Street Marathon, FL Step into your own private tropical oasis in the heart of Marathon. This charming two-bedr...	2 beds \| 1 baths \| 792 sq.ft.	$424,900	Airbnb cash on cash: 3.01% Traditional cash on cash: 3.73% Airbnb Rental Income: $2691 Traditional Rental Income: $2338 Airbnb ROI: 3.01% Traditional ROI: 3.73%
105 Avenue D #110 Marathon, FL An exceptional opportunity to own this charming 2-bedroom, second-floor condominium, in Co...	2 beds \| 1 baths \| 925 sq.ft.	$398,000	Airbnb cash on cash: 1.68% Traditional cash on cash: 2.96% Airbnb Rental Income: $2691 Traditional Rental Income: $2533 Airbnb ROI: 1.68% Traditional ROI: 2.96%
565 95Th Street Marathon, FL Completely remodeled pool home in Marathon. This elevated 3-bedroom, 2-bath stilt home is ...	3 beds \| 2 baths \| 1,080 sq.ft.	$875,000	Airbnb cash on cash: 2.14% Traditional cash on cash: 1.98% Airbnb Rental Income: $4015 Traditional Rental Income: $3025 Airbnb ROI: 2.14% Traditional ROI: 1.98%
103 52nd Street Marathon, FL Welcome to Casa Sirena, a refined waterfront retreat in Marathon offering comfort, privacy...	5 beds \| 4 baths \| 1,924 sq.ft.	$2,100,000	Airbnb cash on cash: 2.25% Traditional cash on cash: 1% Airbnb Rental Income: $9146 Traditional Rental Income: $4998 Airbnb ROI: 2.25% Traditional ROI: 1%
2600 Overseas Highway #87 Marathon, FL Looking for bay views, space, resort-style amenities, and excellent investment potential? ...	3 beds \| 3 baths \| 1,320 sq.ft.	$885,000	Airbnb cash on cash: -0.91% Traditional cash on cash: 0.2% Airbnb Rental Income: $4015 Traditional Rental Income: $4070 Airbnb ROI: -0.91% Traditional ROI: 0.2%
128 Sunrise Drive Marathon, FL Experience the rare combination of protected dockage and direct oceanfront living at 128 S...	4 beds \| 5 baths \| 4,111 sq.ft.	$7,750,000	Airbnb cash on cash: -0.55% Traditional cash on cash: 0.04% Airbnb Rental Income: $5254 Traditional Rental Income: $8468 Airbnb ROI: -0.55% Traditional ROI: 0.04%
2600 Overseas Highway #85 Marathon, FL Looking for bay views, space, resort-style amenities, and strong investment potential? Thi...	3 beds \| 3 baths \| 1,320 sq.ft.	$872,500	Airbnb cash on cash: -0.83% Traditional cash on cash: 0.29% Airbnb Rental Income: $4015 Traditional Rental Income: $4070 Airbnb ROI: -0.83% Traditional ROI: 0.29%
250 66Th Street Marathon, FL Investment Opportunity in the Heart of Marathon. This Half Duplex has Two Bedrooms and One...	2 beds \| 1 baths \| 783 sq.ft.	$295,000	Airbnb cash on cash: 4.95% Traditional cash on cash: 6.21% Airbnb Rental Income: $2691 Traditional Rental Income: $2405 Airbnb ROI: 4.95% Traditional ROI: 6.21%
2919 Sombrero Boulevard Marathon, FL A waterfront home that is truly the kind of place that makes people stop scrolling, not be...	3 beds \| 4 baths \| 2,378 sq.ft.	$2,749,000	Airbnb cash on cash: -0.6% Traditional cash on cash: 1.13% Airbnb Rental Income: $4015 Traditional Rental Income: $7552 Airbnb ROI: -0.6% Traditional ROI: 1.13%
699 116th Street Ocean Marathon, FL Lowest-Priced In-Ground Pool Home in Marathon with Weekly Rental Potential! Embrace the la...	2 beds \| 2 baths \| 1,176 sq.ft.	$747,000	Airbnb cash on cash: 1.1% Traditional cash on cash: 3.66% Airbnb Rental Income: $2691 Traditional Rental Income: $3841 Airbnb ROI: 1.1% Traditional ROI: 3.66%
329 25th Street Ocean Marathon, FL Fabulous opportunity to live in the heart of the Keys in Marathon, Florida. This 3-bedroom...	3 beds \| 3 baths \| 1,488 sq.ft.	$529,900	Airbnb cash on cash: 4.5% Traditional cash on cash: 5.11% Airbnb Rental Income: $4015 Traditional Rental Income: $3463 Airbnb ROI: 4.5% Traditional ROI: 5.11%
10877 Overseas Highway #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: -0.63% Traditional cash on cash: 3.1% Airbnb Rental Income: $2182 Traditional Rental Income: $4789 Airbnb ROI: -0.63% Traditional ROI: 3.1%
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.	$7,995,000	Airbnb cash on cash: -0.41% Traditional cash on cash: -0.43% Airbnb Rental Income: $9146 Traditional Rental Income: $7314 Airbnb ROI: -0.41% Traditional ROI: -0.43%
2000 Overseas Highway #Apt 4G Marathon, FL Experience resort living at its best in this beautifully remodeled 3-bedroom, 2-bath condo...	3 beds \| 2 baths \| 1,650 sq.ft.	$820,000	Airbnb cash on cash: 2.48% Traditional cash on cash: 3.89% Airbnb Rental Income: $4015 Traditional Rental Income: $4238 Airbnb ROI: 2.48% Traditional ROI: 3.89%
1403 Grouper Dr Marathon, FL Welcome to 1403 Grouper Dr, a true Florida Keys gem located in the heart of Marathon! This...	3 beds \| 1 baths \| 1,892 sq.ft.	$999,900	Airbnb cash on cash: 1.46% Traditional cash on cash: 3.26% Airbnb Rental Income: $4015 Traditional Rental Income: $4829 Airbnb ROI: 1.46% Traditional ROI: 3.26%
105 Avenue D #Apt 113 Marathon, FL Experience the best of the Florida Keys boating lifestyle at this updated waterfront 1 BR ...	1 beds \| 1 baths \| 600 sq.ft.	$419,000	Airbnb cash on cash: 0.1% Traditional cash on cash: 2.95% Airbnb Rental Income: $2182 Traditional Rental Income: $2747 Airbnb ROI: 0.1% Traditional ROI: 2.95%
227 Sombrero Beach Rd Marathon, FL Beautifully situated in iconic Sombrero Beach, this open-water retreat showcases breathtak...	4 beds \| 3 baths \| 1,840 sq.ft.	$1,499,999	Airbnb cash on cash: 1.26% Traditional cash on cash: 2.38% Airbnb Rental Income: $5254 Traditional Rental Income: $5754 Airbnb ROI: 1.26% Traditional ROI: 2.38%

Real Estate investment in Marathon, FL

There are 123 properties for sale in the city of Marathon . The median list price in Marathon is $744,155 and the average price per square foot is $406. In August 2026, the average monthly cash on cash return in Marathon is 1.00%. The average monthly rental income in Marathon is $3,389.

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

There are 123 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 $4,015.

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: 3.16%

Traditional cash on cash: 0.35%

Airbnb Rental Income: $6807

Traditional Rental Income: $2482

Airbnb ROI: 3.16%

Traditional ROI: 0.35%

969 Ocotillo Lane

Marathon, FL

3 beds | 3 baths | 2,311 sq.ft.

$2,149,000

Airbnb cash on cash: -0.17%

Traditional cash on cash: 0.16%

Airbnb Rental Income: $4015

Traditional Rental Income: $3798

Airbnb ROI: -0.17%

Traditional ROI: 0.16%

1297 73rd Street Ocean

Marathon, FL

2 beds | 1 baths | 768 sq.ft.

$479,000

Airbnb cash on cash: 2.71%

Traditional cash on cash: 5.18%

Airbnb Rental Income: $2691

Traditional Rental Income: $3161

Airbnb ROI: 2.71%

Traditional ROI: 5.18%

4800 Overseas Highway 54

Marathon, FL

4 beds | 4 baths | 3,714 sq.ft.

$6,500,000

Airbnb cash on cash: -0.43%

Traditional cash on cash: -0.21%

Airbnb Rental Income: $5254

Traditional Rental Income: $5498

Airbnb ROI: -0.43%

Traditional ROI: -0.21%

14 Avenue F

Marathon, FL

4 beds | 4 baths | 3,224 sq.ft.

$2,795,000

Airbnb cash on cash: 0.18%

Traditional cash on cash: 1.35%

Airbnb Rental Income: $5254

Traditional Rental Income: $7222

Airbnb ROI: 0.18%

Traditional ROI: 1.35%

443 Sombrero Beach Rd

Marathon, FL

5 beds | 5 baths | 2,860 sq.ft.

$2,875,000

Airbnb cash on cash: 0.87%

Traditional cash on cash: 1.19%

Airbnb Rental Income: $9146

Traditional Rental Income: $8297

Airbnb ROI: 0.87%

Traditional ROI: 1.19%

105 Avenue D 111

Marathon, FL

1 beds | 1 baths | 600 sq.ft.

$435,000

Airbnb cash on cash: 1.8%

Traditional cash on cash: 2.38%

Airbnb Rental Income: $2182

Traditional Rental Income: $1866

Airbnb ROI: 1.8%

Traditional ROI: 2.38%

10877 Overseas Highway 111

Marathon, FL

1 beds | 2 baths | 850 sq.ft.

$645,000

Airbnb cash on cash: 0.87%

Traditional cash on cash: 2.92%

Airbnb Rental Income: $2182

Traditional Rental Income: $2867

Airbnb ROI: 0.87%