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: 3.66% Traditional cash on cash: 0.35% Airbnb Rental Income: $7450 Traditional Rental Income: $2482 Airbnb ROI: 3.66% Traditional ROI: 0.35%
1297 73rd Street Ocean Marathon, FL This elevated two-bedroom half-duplex offers tons of natural light and peaceful peek-a-boo...	2 beds \| 1 baths \| 768 sq.ft.	$479,000	Airbnb cash on cash: 7.63% Traditional cash on cash: 5.18% Airbnb Rental Income: $5335 Traditional Rental Income: $3161 Airbnb ROI: 7.63% 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: 0.31% Traditional cash on cash: -0.21% Airbnb Rental Income: $10583 Traditional Rental Income: $5498 Airbnb ROI: 0.31% Traditional ROI: -0.21%
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: 1.14% Traditional cash on cash: 0.16% Airbnb Rental Income: $7137 Traditional Rental Income: $3798 Airbnb ROI: 1.14% Traditional ROI: 0.16%
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.	$2,870,000	Airbnb cash on cash: 1.82% Traditional cash on cash: 1.29% Airbnb Rental Income: $10583 Traditional Rental Income: $7222 Airbnb ROI: 1.82% Traditional ROI: 1.29%
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: 1.87% Traditional cash on cash: 1.19% Airbnb Rental Income: $12360 Traditional Rental Income: $8297 Airbnb ROI: 1.87% Traditional ROI: 1.19%
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: 1.87% Traditional cash on cash: 0.7% Airbnb Rental Income: $7137 Traditional Rental Income: $4127 Airbnb ROI: 1.87% 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.	$2,299,000	Airbnb cash on cash: 2.7% Traditional cash on cash: 3.16% Airbnb Rental Income: $10583 Traditional Rental Income: $9613 Airbnb ROI: 2.7% Traditional ROI: 3.16%
57223 Morton Street Marathon, FL Zephyr Cove; the extravagant aquatically inspired retreat that you deserve. Located on the...	9 beds \| 10 baths \| 9,530 sq.ft.	$35,000,000	Airbnb cash on cash: -0.82% Traditional cash on cash: -0.84% Airbnb Rental Income: $12360 Traditional Rental Income: $9481 Airbnb ROI: -0.82% Traditional ROI: -0.84%
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: -0.04% Traditional cash on cash: 0.74% Airbnb Rental Income: $10583 Traditional Rental Income: $13297 Airbnb ROI: -0.04% Traditional ROI: 0.74%
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: 1.3% Traditional cash on cash: 1.34% Airbnb Rental Income: $12360 Traditional Rental Income: $10250 Airbnb ROI: 1.3% Traditional ROI: 1.34%
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.	$1,205,000	Airbnb cash on cash: 7.13% Traditional cash on cash: 4.37% Airbnb Rental Income: $12360 Traditional Rental Income: $7026 Airbnb ROI: 7.13% Traditional ROI: 4.37%
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: 2.84% Traditional cash on cash: 1.8% Airbnb Rental Income: $7137 Traditional Rental Income: $4458 Airbnb ROI: 2.84% Traditional ROI: 1.8%
329 63 Court Gulf Marathon, FL Excellent opportunity to own a two-story duplex in the heart of Marathon. Each unit offers...	2 beds \| 2 baths \| 1,302 sq.ft.	$675,000	Airbnb cash on cash: 4.8% Traditional cash on cash: 4.02% Airbnb Rental Income: $5335 Traditional Rental Income: $3767 Airbnb ROI: 4.8% Traditional ROI: 4.02%
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: 4.29% Traditional cash on cash: 3.33% Airbnb Rental Income: $5335 Traditional Rental Income: $3589 Airbnb ROI: 4.29% Traditional ROI: 3.33%
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: 1.53% Airbnb Rental Income: $5335 Traditional Rental Income: $3553 Airbnb ROI: 2.2% Traditional ROI: 1.53%
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: 6.37% Traditional cash on cash: 4.86% Airbnb Rental Income: $5335 Traditional Rental Income: $3492 Airbnb ROI: 6.37% Traditional ROI: 4.86%
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: 3.63% Traditional cash on cash: 2.64% Airbnb Rental Income: $7137 Traditional Rental Income: $4704 Airbnb ROI: 3.63% Traditional ROI: 2.64%
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: 1.32% Traditional cash on cash: 1.44% Airbnb Rental Income: $5335 Traditional Rental Income: $4446 Airbnb ROI: 1.32% Traditional ROI: 1.44%
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: 8.03% Traditional cash on cash: 5.65% Airbnb Rental Income: $7137 Traditional Rental Income: $4378 Airbnb ROI: 8.03% 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: 1.06% Traditional cash on cash: 0.77% Airbnb Rental Income: $7137 Traditional Rental Income: $5134 Airbnb ROI: 1.06% 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.	$449,000	Airbnb cash on cash: 8.04% Traditional cash on cash: 3.48% Airbnb Rental Income: $5335 Traditional Rental Income: $2338 Airbnb ROI: 8.04% Traditional ROI: 3.48%
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: 7.58% Traditional cash on cash: 2.96% Airbnb Rental Income: $5335 Traditional Rental Income: $2533 Airbnb ROI: 7.58% Traditional ROI: 2.96%
565 95Th Street Marathon, FL Completely Remodeled Pool Home! This elevated 3-bedroom, 2-bath stilt home is ideally situ...	3 beds \| 2 baths \| 1,080 sq.ft.	$899,000	Airbnb cash on cash: 5.17% Traditional cash on cash: 1.9% Airbnb Rental Income: $7137 Traditional Rental Income: $3025 Airbnb ROI: 5.17% Traditional ROI: 1.9%
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.	$2,200,000	Airbnb cash on cash: 3.41% Traditional cash on cash: 0.91% Airbnb Rental Income: $12360 Traditional Rental Income: $4998 Airbnb ROI: 3.41% Traditional ROI: 0.91%
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: 2.37% Traditional cash on cash: 0.29% Airbnb Rental Income: $7137 Traditional Rental Income: $4070 Airbnb ROI: 2.37% Traditional ROI: 0.29%
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: 2.25% Traditional cash on cash: 0.2% Airbnb Rental Income: $7137 Traditional Rental Income: $4070 Airbnb ROI: 2.25% 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: 0.07% Traditional cash on cash: 0.04% Airbnb Rental Income: $10583 Traditional Rental Income: $8468 Airbnb ROI: 0.07% 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.	$529,900	Airbnb cash on cash: 9.75% Traditional cash on cash: 5.11% Airbnb Rental Income: $7137 Traditional Rental Income: $3463 Airbnb ROI: 9.75% Traditional ROI: 5.11%
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: 0.42% Traditional cash on cash: 1.13% Airbnb Rental Income: $7137 Traditional Rental Income: $7552 Airbnb ROI: 0.42% 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: 4.26% Traditional cash on cash: 3.66% Airbnb Rental Income: $5335 Traditional Rental Income: $3841 Airbnb ROI: 4.26% Traditional ROI: 3.66%
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: 0.61% Traditional cash on cash: 3.1% Airbnb Rental Income: $3440 Traditional Rental Income: $4789 Airbnb ROI: 0.61% Traditional ROI: 3.1%
12690 Overseas Highway #413 Marathon, FL Wake up to open water views and the freedom to use your property on your terms at this wat...	2 beds \| 3 baths \| 1,352 sq.ft.	$825,000	Airbnb cash on cash: 2.4% Traditional cash on cash: 2.3% Airbnb Rental Income: $5335 Traditional Rental Income: $4179 Airbnb ROI: 2.4% Traditional ROI: 2.3%
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: 2.77% Traditional cash on cash: 2.95% Airbnb Rental Income: $3440 Traditional Rental Income: $2747 Airbnb ROI: 2.77% Traditional ROI: 2.95%
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: 4.26% Traditional cash on cash: 3.26% Airbnb Rental Income: $7137 Traditional Rental Income: $4829 Airbnb ROI: 4.26% Traditional ROI: 3.26%
2000 Coco Plum Dr #106 Marathon, FL Welcome to Bonefish Towers - the tallest building in the Florida Keys! This rare 1st -floo...	2 beds \| 2 baths \| 1,214 sq.ft.	$599,000	Airbnb cash on cash: 3.21% Traditional cash on cash: 2.32% Airbnb Rental Income: $5335 Traditional Rental Income: $3758 Airbnb ROI: 3.21% Traditional ROI: 2.32%
151 10th St Marathon, FL Welcome to this 2-bedroom waterfront home in Key Colony Beach offering direct canal fronta...	2 beds \| 2 baths \| 952 sq.ft.	$849,000	Airbnb cash on cash: 3.46% Traditional cash on cash: 2.13% Airbnb Rental Income: $5335 Traditional Rental Income: $3210 Airbnb ROI: 3.46% Traditional ROI: 2.13%
11405 3rd Avenue Ocean Marathon, FL Beautiful Property in the heart of the Florida Keys .Minutes away from Sombrero beach and ...	2 beds \| 2 baths \| 1,232 sq.ft.	$534,999	Airbnb cash on cash: 6.49% Traditional cash on cash: 5.43% Airbnb Rental Income: $5335 Traditional Rental Income: $3727 Airbnb ROI: 6.49% Traditional ROI: 5.43%
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: 4.45% Traditional cash on cash: 2.38% Airbnb Rental Income: $10583 Traditional Rental Income: $5754 Airbnb ROI: 4.45% Traditional ROI: 2.38%
12400 Overseas Hwy Marathon, FL Welcome to your slice of paradise in Marathon â where luxury meets laid-back island livi...	3 beds \| 3 baths \| 1,493 sq.ft.	$1,175,000	Airbnb cash on cash: 3.03% Traditional cash on cash: 2.24% Airbnb Rental Income: $7137 Traditional Rental Income: $4904 Airbnb ROI: 3.03% Traditional ROI: 2.24%

Real Estate investment in Marathon, FL

There are 111 properties for sale in the city of Marathon . The median list price in Marathon is $762,606 and the average price per square foot is $396. In June 2026, the average monthly cash on cash return in Marathon is 1.00%. The average monthly rental income in Marathon is $3,406.

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

There are 111 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: 3.66%

Traditional cash on cash: 0.35%

Airbnb Rental Income: $7450

Traditional Rental Income: $2482

Airbnb ROI: 3.66%

Traditional ROI: 0.35%

1297 73rd Street Ocean

Marathon, FL

2 beds | 1 baths | 768 sq.ft.

$479,000

Airbnb cash on cash: 7.63%

Traditional cash on cash: 5.18%

Airbnb Rental Income: $5335

Traditional Rental Income: $3161

Airbnb ROI: 7.63%

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: 0.31%

Traditional cash on cash: -0.21%

Airbnb Rental Income: $10583

Traditional Rental Income: $5498

Airbnb ROI: 0.31%

Traditional ROI: -0.21%

969 Ocotillo Lane

Marathon, FL

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

$2,149,000

Airbnb cash on cash: 1.14%

Traditional cash on cash: 0.16%

Airbnb Rental Income: $7137

Traditional Rental Income: $3798

Airbnb ROI: 1.14%

Traditional ROI: 0.16%

14 Avenue F

Marathon, FL

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

$2,870,000

Airbnb cash on cash: 1.82%

Traditional cash on cash: 1.29%

Airbnb Rental Income: $10583

Traditional Rental Income: $7222

Airbnb ROI: 1.82%

Traditional ROI: 1.29%

443 Sombrero Beach Rd

Marathon, FL

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

$2,875,000

Airbnb cash on cash: 1.87%

Traditional cash on cash: 1.19%

Airbnb Rental Income: $12360

Traditional Rental Income: $8297

Airbnb ROI: 1.87%

Traditional ROI: 1.19%

11600 1St Avenue Gulf #32

Marathon, FL

3 beds | 3 baths | 1,600 sq.ft.

$1,499,000

Airbnb cash on cash: 1.87%

Traditional cash on cash: 0.7%

Airbnb Rental Income: $7137

Traditional Rental Income: $4127

Airbnb ROI: 1.87%

Traditional ROI: 0.7%

120 Pirates Cove Drive

Marathon, FL

4 beds | 4 baths | 3,476 sq.ft.

$2,299,000

Airbnb cash on cash: 2.7%

Traditional cash on cash: 3.16%

Airbnb Rental Income: $10583

Traditional Rental Income: $9613

Airbnb ROI: 2.7%