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: 2.56% Traditional cash on cash: 0.35% Airbnb Rental Income: $6039 Traditional Rental Income: $2482 Airbnb ROI: 2.56% Traditional ROI: 0.35%
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: -0.57% Traditional cash on cash: -0.21% Airbnb Rental Income: $4258 Traditional Rental Income: $5498 Airbnb ROI: -0.57% Traditional ROI: -0.21%
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: -0.21% Traditional cash on cash: 2.92% Airbnb Rental Income: $1401 Traditional Rental Income: $2867 Airbnb ROI: -0.21% Traditional ROI: 2.92%
1297 73rd Street Ocean Marathon, FL Ocean views - what a gem! This elevated two-bedroom half-duplex offers tons of natural lig...	2 beds \| 1 baths \| 768 sq.ft.	$479,000	Airbnb cash on cash: 1.83% Traditional cash on cash: 5.18% Airbnb Rental Income: $2214 Traditional Rental Income: $3161 Airbnb ROI: 1.83% Traditional ROI: 5.18%
143 Dorsett Drive Marathon, FL Introducing - Casa Del Mar Estate - this exceptional new home offers a rare level of priva...	4 beds \| 3 baths \| 2,121 sq.ft.	$4,950,000	Airbnb cash on cash: -0.35% Traditional cash on cash: -0.38% Airbnb Rental Income: $4258 Traditional Rental Income: $3262 Airbnb ROI: -0.35% Traditional ROI: -0.38%
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.	$2,750,000	Airbnb cash on cash: -0.12% Traditional cash on cash: 1.39% Airbnb Rental Income: $4258 Traditional Rental Income: $7222 Airbnb ROI: -0.12% Traditional ROI: 1.39%
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.	$2,789,000	Airbnb cash on cash: 0.54% Traditional cash on cash: 1.29% Airbnb Rental Income: $7865 Traditional Rental Income: $8297 Airbnb ROI: 0.54% Traditional ROI: 1.29%
101 11th Street Ocean Marathon, FL Atlantic Oceanfront Escape Welcome to your slice of paradise in the heart of the Florida K...	2 beds \| 2 baths \| 960 sq.ft.	$550,000	Airbnb cash on cash: 1.16% Traditional cash on cash: 2.54% Airbnb Rental Income: $2214 Traditional Rental Income: $2365 Airbnb ROI: 1.16% Traditional ROI: 2.54%
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: -0.09% Traditional cash on cash: 0.7% Airbnb Rental Income: $3851 Traditional Rental Income: $4127 Airbnb ROI: -0.09% Traditional ROI: 0.7%
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.	$1,799,000	Airbnb cash on cash: 0.57% Traditional cash on cash: 4.31% Airbnb Rental Income: $4258 Traditional Rental Income: $9613 Airbnb ROI: 0.57% Traditional ROI: 4.31%
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.	$1,330,000	Airbnb cash on cash: 3.33% Traditional cash on cash: 3.87% Airbnb Rental Income: $7865 Traditional Rental Income: $7026 Airbnb ROI: 3.33% Traditional ROI: 3.87%
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.	$535,000	Airbnb cash on cash: 1.3% Traditional cash on cash: 4.97% Airbnb Rental Income: $2214 Traditional Rental Income: $3492 Airbnb ROI: 1.3% Traditional ROI: 4.97%
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: -0.38% Traditional cash on cash: 1.44% Airbnb Rental Income: $2214 Traditional Rental Income: $4446 Airbnb ROI: -0.38% Traditional ROI: 1.44%
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: 1.7% Traditional cash on cash: 1% Airbnb Rental Income: $7865 Traditional Rental Income: $4998 Airbnb ROI: 1.7% Traditional ROI: 1%
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: 3.52% Traditional cash on cash: 6.21% Airbnb Rental Income: $2214 Traditional Rental Income: $2405 Airbnb ROI: 3.52% Traditional ROI: 6.21%
128 Sunrise Drive Marathon, FL Direct Atlantic oceanfront living with protected canal-side dockage--two features rarely f...	4 beds \| 5 baths \| 4,111 sq.ft.	$7,750,000	Airbnb cash on cash: -0.67% Traditional cash on cash: 0.04% Airbnb Rental Income: $4258 Traditional Rental Income: $8468 Airbnb ROI: -0.67% Traditional ROI: 0.04%
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.	$499,000	Airbnb cash on cash: 4.54% Traditional cash on cash: 5.49% Airbnb Rental Income: $3851 Traditional Rental Income: $3463 Airbnb ROI: 4.54% Traditional ROI: 5.49%
303 Sombrero Beach Road Marathon, FL Waterfront duplex opportunity on Sombrero Beach Road in Marathon, just about 1 mile from S...	4 beds \| 4 baths \| 2,114 sq.ft.	$1,549,000	Airbnb cash on cash: -1.25% Traditional cash on cash: 1.44% Airbnb Rental Income: $1401 Traditional Rental Income: $4853 Airbnb ROI: -1.25% Traditional ROI: 1.44%
699 116th Street Ocean Marathon, FL Blue Lagoon, Pool Home in Marathon with pee-a-boo Ocean Views with Weekly Rentals! Current...	2 beds \| 2 baths \| 1,176 sq.ft.	$724,500	Airbnb cash on cash: 0.57% Traditional cash on cash: 3.81% Airbnb Rental Income: $2214 Traditional Rental Income: $3841 Airbnb ROI: 0.57% Traditional ROI: 3.81%
211 S Anglers Drive Marathon, FL Fantastic opportunity in Marathon's desirable Sombrero Beach area! Built in 2020, this bea...	4 beds \| 3 baths \| 2,464 sq.ft.	$2,395,000	Airbnb cash on cash: -0.1% Traditional cash on cash: 0.31% Airbnb Rental Income: $4258 Traditional Rental Income: $4256 Airbnb ROI: -0.1% Traditional ROI: 0.31%
1590 Pelican Pass Marathon, FL Looking for one of the most unique Bayfront Estates in the Florida keys, well you just fou...	5 beds \| 5 baths \| 3,346 sq.ft.	$4,999,999	Airbnb cash on cash: -0.16% Traditional cash on cash: 0.7% Airbnb Rental Income: $7865 Traditional Rental Income: $10349 Airbnb ROI: -0.16% Traditional ROI: 0.7%
136 Coco Plum Drive Marathon, FL Experience the luxury lifestyle of Ocean Muse, an exceptional newer-construction waterfron...	4 beds \| 3 baths \| 2,943 sq.ft.	$4,249,000	Airbnb cash on cash: -0.48% Traditional cash on cash: -0.24% Airbnb Rental Income: $4258 Traditional Rental Income: $4285 Airbnb ROI: -0.48% Traditional ROI: -0.24%
133 Dorsett Drive Marathon, FL Discover the beauty of Florida Keys living in this pristine concrete home ideally situated...	2 beds \| 2 baths \| 999 sq.ft.	$895,000	Airbnb cash on cash: 0.52% Traditional cash on cash: 2.12% Airbnb Rental Income: $2214 Traditional Rental Income: $2989 Airbnb ROI: 0.52% Traditional ROI: 2.12%
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: -1.4% Traditional cash on cash: 3.1% Airbnb Rental Income: $1401 Traditional Rental Income: $4789 Airbnb ROI: -1.4% Traditional ROI: 3.1%
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.	$929,990	Airbnb cash on cash: 1.49% Traditional cash on cash: 3.58% Airbnb Rental Income: $3851 Traditional Rental Income: $4829 Airbnb ROI: 1.49% Traditional ROI: 3.58%
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 \| 1,232 sq.ft.	$579,999	Airbnb cash on cash: 1.11% Traditional cash on cash: 4.94% Airbnb Rental Income: $2214 Traditional Rental Income: $3727 Airbnb ROI: 1.11% Traditional ROI: 4.94%
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: 0.66% Traditional cash on cash: 2.38% Airbnb Rental Income: $4258 Traditional Rental Income: $5754 Airbnb ROI: 0.66% Traditional ROI: 2.38%
12400 Overseas Hwy Marathon, FL Welcome to your slice of paradise in Marathon - where luxury meets laid-back island living...	3 beds \| 3 baths \| 1,493 sq.ft.	$1,175,000	Airbnb cash on cash: 0.52% Traditional cash on cash: 2.24% Airbnb Rental Income: $3851 Traditional Rental Income: $4904 Airbnb ROI: 0.52% Traditional ROI: 2.24%
865 50th Street Gulf Marathon, FL Stunning Gulfside Waterfront Residence with Panoramic Water Views. Experience exceptional ...	5 beds \| 5 baths \| 3,826 sq.ft.	$4,490,000	Airbnb cash on cash: -0.01% Traditional cash on cash: 1.14% Airbnb Rental Income: $7865 Traditional Rental Income: $11176 Airbnb ROI: -0.01% Traditional ROI: 1.14%
11339 5th Avenue Ocean Marathon, FL Welcome to a rare opportunity to own a fully renovated, turnkey residence in the highl...	2 beds \| 1 baths \| 1,096 sq.ft.	$530,000	Airbnb cash on cash: 1.4% Traditional cash on cash: 5.15% Airbnb Rental Income: $2214 Traditional Rental Income: $3516 Airbnb ROI: 1.4% Traditional ROI: 5.15%
780 95th Street Ocean Marathon, FL New on the market in the heart of Marathon, FL! This property offers a great opportunity t...	4 beds \| 3 baths \| 1,448 sq.ft.	$465,000	Airbnb cash on cash: 5.28% Traditional cash on cash: 8.28% Airbnb Rental Income: $4258 Traditional Rental Income: $4664 Airbnb ROI: 5.28% Traditional ROI: 8.28%
837 91st Court Ocean Marathon, FL Welcome to your slice of paradise in the heart of Marathon! This beautifully updated canal...	2 beds \| 2 baths \| 1,296 sq.ft.	$760,000	Airbnb cash on cash: 0.19% Traditional cash on cash: 2.62% Airbnb Rental Income: $2214 Traditional Rental Income: $3377 Airbnb ROI: 0.19% Traditional ROI: 2.62%
108 Sunrise Dr Marathon, FL Seller Financing Available With 50% Down Subject To Acceptable Terms Nestled on the ...	5 beds \| 5 baths \| 3,434 sq.ft.	$7,495,000	Airbnb cash on cash: -0.52% Traditional cash on cash: -0.39% Airbnb Rental Income: $7865 Traditional Rental Income: $7314 Airbnb ROI: -0.52% Traditional ROI: -0.39%
850 105th Street Ocean E Marathon, FL Beautiful family friendly ocean view home centrally located in the heart of Marathon (only...	4 beds \| 3 baths \| 2,152 sq.ft.	$1,349,000	Airbnb cash on cash: 0.97% Traditional cash on cash: -0.73% Airbnb Rental Income: $4258 Traditional Rental Income: $1228 Airbnb ROI: 0.97% Traditional ROI: -0.73%
5301 Ocean Ter #1 Marathon, FL Turnkey island getaway in the heart of Marathon! This charming 1-bedroom, 1-bath home at 5...	1 beds \| 1 baths \| 656 sq.ft.	$330,000	Airbnb cash on cash: -2.24% Traditional cash on cash: 3.38% Airbnb Rental Income: $1401 Traditional Rental Income: $2723 Airbnb ROI: -2.24% Traditional ROI: 3.38%
57652 Overseas Hwy Marathon, FL Discover this exceptional oceanfront property on Grassy Key in Marathon, Florida! Fully re...	3 beds \| 3 baths \| 1,756 sq.ft.	$2,600,000	Airbnb cash on cash: -0.3% Traditional cash on cash: 0.33% Airbnb Rental Income: $3851 Traditional Rental Income: $4549 Airbnb ROI: -0.3% Traditional ROI: 0.33%
233 Sombrero Beach Rd Marathon, FL Experience luxury Florida Keys living at its finest! Built in 2022, this stunning 3-bedroo...	3 beds \| 3 baths \| 2,566 sq.ft.	$2,720,000	Airbnb cash on cash: -0.51% Traditional cash on cash: 0.68% Airbnb Rental Income: $3851 Traditional Rental Income: $6010 Airbnb ROI: -0.51% Traditional ROI: 0.68%
2100 AVENUE H Marathon, FL Set within Coco Plum area of Marathon, this waterfront residence presents a rare opportuni...	4 beds \| 3 baths \| 2,964 sq.ft.	$1,999,000	Airbnb cash on cash: 0.57% Traditional cash on cash: 1.83% Airbnb Rental Income: $4258 Traditional Rental Income: $5697 Airbnb ROI: 0.57% Traditional ROI: 1.83%
12399 Overseas Highway #12 Marathon, FL Imagine arriving in the Keys, dropping your bags and heading straight out on the boat. Tha...	3 beds \| 3 baths \| 1,360 sq.ft.	$1,189,000	Airbnb cash on cash: 0.94% Traditional cash on cash: 1.66% Airbnb Rental Income: $3851 Traditional Rental Income: $3822 Airbnb ROI: 0.94% Traditional ROI: 1.66%
7501 Gulfstream Boulevard Marathon, FL Welcome to 7501 Gulfstream Blvd in Marathon, FL. This one-level contemporary ranch style h...	3 beds \| 3 baths \| 2,405 sq.ft.	$1,638,888	Airbnb cash on cash: 0.34% Traditional cash on cash: 3.4% Airbnb Rental Income: $3851 Traditional Rental Income: $7672 Airbnb ROI: 0.34% Traditional ROI: 3.4%

Real Estate investment in Marathon, FL

There are 96 properties for sale in the city of Marathon . The median list price in Marathon is $979,534 and the average price per square foot is $534. In November 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 96 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: 2.56%

Traditional cash on cash: 0.35%

Airbnb Rental Income: $6039

Traditional Rental Income: $2482

Airbnb ROI: 2.56%

Traditional ROI: 0.35%

4800 Overseas Highway 54

Marathon, FL

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

$6,500,000

Airbnb cash on cash: -0.57%

Traditional cash on cash: -0.21%

Airbnb Rental Income: $4258

Traditional Rental Income: $5498

Airbnb ROI: -0.57%

Traditional ROI: -0.21%

10877 Overseas Highway 111

Marathon, FL

1 beds | 2 baths | 850 sq.ft.

$645,000

Airbnb cash on cash: -0.21%

Traditional cash on cash: 2.92%

Airbnb Rental Income: $1401

Traditional Rental Income: $2867

Airbnb ROI: -0.21%

Traditional ROI: 2.92%

1297 73rd Street Ocean

Marathon, FL

2 beds | 1 baths | 768 sq.ft.

$479,000

Airbnb cash on cash: 1.83%

Traditional cash on cash: 5.18%

Airbnb Rental Income: $2214

Traditional Rental Income: $3161

Airbnb ROI: 1.83%

Traditional ROI: 5.18%

143 Dorsett Drive

Marathon, FL

4 beds | 3 baths | 2,121 sq.ft.

$4,950,000

Airbnb cash on cash: -0.35%

Traditional cash on cash: -0.38%

Airbnb Rental Income: $4258

Traditional Rental Income: $3262

Airbnb ROI: -0.35%

Traditional ROI: -0.38%

14 Avenue F

Marathon, FL

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

$2,750,000

Airbnb cash on cash: -0.12%

Traditional cash on cash: 1.39%

Airbnb Rental Income: $4258

Traditional Rental Income: $7222

Airbnb ROI: -0.12%

Traditional ROI: 1.39%

443 Sombrero Beach Rd

Marathon, FL

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

$2,789,000

Airbnb cash on cash: 0.54%

Traditional cash on cash: 1.29%

Airbnb Rental Income: $7865

Traditional Rental Income: $8297

Airbnb ROI: 0.54%

Traditional ROI: 1.29%

101 11th Street Ocean

Marathon, FL

2 beds | 2 baths | 960 sq.ft.

$550,000

Airbnb cash on cash: 1.16%

Traditional cash on cash: 2.54%

Airbnb Rental Income: $2214

Traditional Rental Income: $2365

Airbnb ROI: 1.16%