Real Estate Investment Properties for Sale in Harbor Island, SC

Looking for investment property in Harbor Island, SC with high ROI ?

Explore a variety of short-term homes & houses in Harbor Island, SC. Invest wisely with VRBO & Harbor Island, SC 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 Harbor Island, SC

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PROPERTY	DETAILS	SALE PRICE	INVESTMENT PERFORMANCE
86 Harbour Key Drive Harbor Island, SC One of the cutest homes on Harbor Island and one of the original Harbour Key designs. This...	2 beds \| 2 baths \| 1,238 sq.ft.	$609,000	Airbnb cash on cash: -2.56% Traditional cash on cash: 1.3% Airbnb Rental Income: $446 Traditional Rental Income: $2374 Airbnb ROI: -2.56% Traditional ROI: 1.3%
3 Cedar Reef Drive #E106 Harbor Island, SC One of the nicest 1 bedroom, 1.5 bath villas in Cedar Reef Villas! Completely renovated an...	1 beds \| 2 baths \| 806 sq.ft.	$329,000	Airbnb cash on cash: -1.4% Traditional cash on cash: 3.15% Airbnb Rental Income: $547 Traditional Rental Income: $1672 Airbnb ROI: -1.4% Traditional ROI: 3.15%
2 Cedar Reef Drive #A207 Harbor Island, SC Escape to the beautiful beaches and numerous amenities on Harbor Island! This 2 bedroom, 2...	2 beds \| 3 baths \| 1,080 sq.ft.	$404,900	Airbnb cash on cash: -3.08% Traditional cash on cash: 0.72% Airbnb Rental Income: $446 Traditional Rental Income: $1627 Airbnb ROI: -3.08% Traditional ROI: 0.72%
22 Ocean Marsh Lane Harbor Island, SC Tucked away within the gated community of Harbor Island, this charming 3-bedroom, 3-bath c...	3 beds \| 3 baths \| 1,337 sq.ft.	$599,000	Airbnb cash on cash: -0.04% Traditional cash on cash: 0.74% Airbnb Rental Income: $2119 Traditional Rental Income: $2009 Airbnb ROI: -0.04% Traditional ROI: 0.74%
1 Cedar Reef Drive #F101 Harbor Island, SC One of the nicest one bedroom Cedar Reef Villas on Harbor Island and is a highly sought af...	1 beds \| 2 baths \| 794 sq.ft.	$339,500	Airbnb cash on cash: -0.97% Traditional cash on cash: 2.14% Airbnb Rental Income: $547 Traditional Rental Income: $1260 Airbnb ROI: -0.97% Traditional ROI: 2.14%
36 Avenue Of Oaks Harbor Island, SC Equine estate extraordinaire! Bring your horses and ride on the beach in popular Coffin Po...	3 beds \| 4 baths \| 3,130 sq.ft.	$1,474,000	Airbnb cash on cash: -0.49% Traditional cash on cash: 0.45% Airbnb Rental Income: $2119 Traditional Rental Income: $2865 Airbnb ROI: -0.49% Traditional ROI: 0.45%
86 Harbor Drive N Harbor Island, SC ACTIVE SHORT-TERM RENTAL OPPORTUNITY - Directly on the sand in the gated beach community o...	3 beds \| 3 baths \| 2,493 sq.ft.	$1,050,000	Airbnb cash on cash: -0.63% Traditional cash on cash: 0.66% Airbnb Rental Income: $2119 Traditional Rental Income: $2830 Airbnb ROI: -0.63% Traditional ROI: 0.66%
3 Cedar Reef Drive #E105 Harbor Island, SC Vacation at the beach! This renovated 1 bedroom condo backs up to the community pool with ...	1 beds \| 2 baths \| 794 sq.ft.	$285,000	Airbnb cash on cash: -3.76% Traditional cash on cash: -0.29% Airbnb Rental Income: $547 Traditional Rental Income: $1200 Airbnb ROI: -3.76% Traditional ROI: -0.29%
1 Cedar Reef Drive #F206 Harbor Island, SC SELLER OFFERING 7k TOWARDS BUYERS CLOSING COSTS AND PAYING ALL REGIME COSTS THROUGH 2026! ...	2 beds \| 3 baths \| 1,080 sq.ft.	$355,000	Airbnb cash on cash: -4.25% Traditional cash on cash: 0.08% Airbnb Rental Income: $446 Traditional Rental Income: $1627 Airbnb ROI: -4.25% Traditional ROI: 0.08%
8 Saltwind Drive Harbor Island, SC This treasured Coffin Point Plantation beachfront gem comes fully furnished and sits on a ...	3 beds \| 2 baths \| 2,053 sq.ft.	$1,190,000	Airbnb cash on cash: -0.88% Traditional cash on cash: -0.3% Airbnb Rental Income: $2119 Traditional Rental Income: $2216 Airbnb ROI: -0.88% Traditional ROI: -0.3%
170 Harbor Drive N Harbor Island, SC Fabulous Ocean Front Home. One of a kind custom built Beach Front home on the exclusive No...	5 beds \| 3 baths \| 2,516 sq.ft.	$1,450,000	Airbnb cash on cash: -0.05% Traditional cash on cash: -0.3% Airbnb Rental Income: $4009 Traditional Rental Income: $2816 Airbnb ROI: -0.05% Traditional ROI: -0.3%
3 Cedar Reef Drive #E102 Harbor Island, SC Tucked inside the private, gated beach resort of Harbor Island, this beautifully updated 1...	1 beds \| 2 baths \| 806 sq.ft.	$280,000	Airbnb cash on cash: -1.57% Traditional cash on cash: 2.67% Airbnb Rental Income: $547 Traditional Rental Income: $1388 Airbnb ROI: -1.57% Traditional ROI: 2.67%
4 Cedar Reef Drive #B101 Harbor Island, SC Fully furnished 1st floor end 1BR/1.5B. Includes updated window treatments, kitchen applia...	1 beds \| 2 baths \| 806 sq.ft.	$314,900	Airbnb cash on cash: -2.03% Traditional cash on cash: 3.72% Airbnb Rental Income: $547 Traditional Rental Income: $1970 Airbnb ROI: -2.03% Traditional ROI: 3.72%
2 Harbor Drive N #L112 Harbor Island, SC Welcome to SC beach life on beautiful Harbor Island-a private gated community in Beaufort ...	1 beds \| 1 baths \| 690 sq.ft.	$245,000	Airbnb cash on cash: -1.71% Traditional cash on cash: 2.05% Airbnb Rental Income: $547 Traditional Rental Income: $1136 Airbnb ROI: -1.71% Traditional ROI: 2.05%
64 Harbor Drive N Harbor Island, SC OCEAN VIEWS & SECURITY of the second row on the beach! This home is on the correct side of...	3 beds \| 3 baths \| 1,540 sq.ft.	$1,125,000	Airbnb cash on cash: 0.19% Traditional cash on cash: 0.75% Airbnb Rental Income: $2119 Traditional Rental Income: $2157 Airbnb ROI: 0.19% Traditional ROI: 0.75%
5 Cedar Reef Drive #D206 Harbor Island, SC $5,000 seller paid buyer credit at closing. Experience true coastal living in this beautif...	2 beds \| 3 baths \| 1,069 sq.ft.	$373,500	Airbnb cash on cash: -2.67% Traditional cash on cash: 3.11% Airbnb Rental Income: $446 Traditional Rental Income: $2208 Airbnb ROI: -2.67% Traditional ROI: 3.11%
2 Harbor Drive #L305 Harbor Island, SC Experience coastal living on Harbor Island in this beautifully updated 1-bedroom, 1.5-bath...	1 beds \| 2 baths \| 714 sq.ft.	$261,899	Airbnb cash on cash: -1.09% Traditional cash on cash: 7.09% Airbnb Rental Income: $547 Traditional Rental Income: $2288 Airbnb ROI: -1.09% Traditional ROI: 7.09%
3 Cedar Reef Drive #E-108 Harbor Island, SC Experience the epitome of coastal living! This condo is nestled within the serene, gated c...	1 beds \| 2 baths \| 806 sq.ft.	$250,000	Airbnb cash on cash: -1.22% Traditional cash on cash: 7.4% Airbnb Rental Income: $547 Traditional Rental Income: $2303 Airbnb ROI: -1.22% Traditional ROI: 7.4%
6 W Marsh Drive Harbor Island, SC COMPLETION OF CONSTRUCTION SEPT 30TH 2026 . Angel by the Sea Beach Cottage! A Great locati...	3 beds \| 3 baths \| 1,400 sq.ft.	$725,000	Airbnb cash on cash: 0.63% Traditional cash on cash: 1.45% Airbnb Rental Income: $2119 Traditional Rental Income: $2132 Airbnb ROI: 0.63% Traditional ROI: 1.45%
6 Cedar Reef Drive #C101 Harbor Island, SC This turnkey villa sleeps 4, has been recently remodeled with new LVP flooring, new A/C du...	1 beds \| 2 baths \| 806 sq.ft.	$329,000	Airbnb cash on cash: -1.03% Traditional cash on cash: 2.71% Airbnb Rental Income: $547 Traditional Rental Income: $1422 Airbnb ROI: -1.03% Traditional ROI: 2.71%
6 Harbor Drive #M113 Harbor Island, SC Fabulous 2BR/2BA Oceanfront villa! Beautifully renovated and completely furnished. Relax e...	2 beds \| 2 baths \| 1,150 sq.ft.	$435,000	Airbnb cash on cash: -3.2% Traditional cash on cash: -0.29% Airbnb Rental Income: $446 Traditional Rental Income: $1367 Airbnb ROI: -3.2% Traditional ROI: -0.29%
9 Ebb Tide Court Harbor Island, SC Welcome to your Lowcountry coastal retreat, where marsh views, ocean breezes, and island l...	4 beds \| 2 baths \| 2,122 sq.ft.	$699,000	Airbnb cash on cash: 1.52% Traditional cash on cash: 1.71% Airbnb Rental Income: $2795 Traditional Rental Income: $2263 Airbnb ROI: 1.52% Traditional ROI: 1.71%
2 Cedar Reef Drive #F101 Harbor Island, SC One of the nicest one bedroom Cedar Reef Villas on Harbor Island and is a highly sought af...	1 beds \| 2 baths \| 806 sq.ft.	$339,500	Airbnb cash on cash: -1.02% Traditional cash on cash: 2.68% Airbnb Rental Income: $547 Traditional Rental Income: $1449 Airbnb ROI: -1.02% Traditional ROI: 2.68%
4 Cedar Reef Drive #B202 Harbor Island, SC Wake up to peaceful marsh views and the relaxed rhythm of Lowcountry living in this beauti...	2 beds \| 3 baths \| 1,080 sq.ft.	$375,000	Airbnb cash on cash: -2.33% Traditional cash on cash: 2.42% Airbnb Rental Income: $446 Traditional Rental Income: $1855 Airbnb ROI: -2.33% Traditional ROI: 2.42%
2 Ebb Tide Court Harbor Island, SC OCEAN VIEWS FROM PRACTICALLY EVERY ROOM - "The Crown of the Coast" at Harbor Island in Bea...	4 beds \| 3 baths \| 2,492 sq.ft.	$1,100,000	Airbnb cash on cash: -0.77% Traditional cash on cash: -0.13% Airbnb Rental Income: $2795 Traditional Rental Income: $2799 Airbnb ROI: -0.77% Traditional ROI: -0.13%
16 Lakeview Lane Harbor Island, SC Ready for island living in a lush and private area on Harbor Island? Ocean Marsh is a golf...	3 beds \| 3 baths \| 1,626 sq.ft.	$748,000	Airbnb cash on cash: 0.34% Traditional cash on cash: 0.97% Airbnb Rental Income: $2119 Traditional Rental Income: $2020 Airbnb ROI: 0.34% Traditional ROI: 0.97%
5 Cedar Reef Drive #D213 Harbor Island, SC This bright and airy ocean front villa will be perfect for your next family vacation. It o...	2 beds \| 3 baths \| 1,069 sq.ft.	$399,000	Airbnb cash on cash: -4.05% Traditional cash on cash: -0.31% Airbnb Rental Income: $446 Traditional Rental Income: $1584 Airbnb ROI: -4.05% Traditional ROI: -0.31%
11 Nautical Watch Way Harbor Island, SC Welcome to ''Rise and Shine'' on beautiful Harbor Island, SC. This 4 BR 3 BA home has unob...	4 beds \| 3 baths \| 2,022 sq.ft.	$849,000	Airbnb cash on cash: 0.99% Traditional cash on cash: 1.39% Airbnb Rental Income: $2795 Traditional Rental Income: $2458 Airbnb ROI: 0.99% Traditional ROI: 1.39%
50 Sea Pines Drive Harbor Island, SC Experience a private Lowcountry retreat at 50 Sea Pines Drive, set beneath a canopy of mat...	3 beds \| 2 baths \| 1,344 sq.ft.	$395,000	Airbnb cash on cash: 1.84% Traditional cash on cash: 2.56% Airbnb Rental Income: $2119 Traditional Rental Income: $1845 Airbnb ROI: 1.84% Traditional ROI: 2.56%
2 Harbor Drive #L205 Harbor Island, SC Breathe in the salt air and slow down to the rhythm of the tides. This fully furnished, oc...	1 beds \| 2 baths \| 714 sq.ft.	$255,000	Airbnb cash on cash: -5.99% Traditional cash on cash: -1.39% Airbnb Rental Income: $547 Traditional Rental Income: $1374 Airbnb ROI: -5.99% Traditional ROI: -1.39%
1 Cedar Reef Drive #F204 Harbor Island, SC BEST DEAL that you can find on Harbor Island. This two-bedroom villa is listed for less th...	2 beds \| 3 baths \| 1,080 sq.ft.	$289,000	Airbnb cash on cash: -1.76% Traditional cash on cash: 3.59% Airbnb Rental Income: $446 Traditional Rental Income: $1638 Airbnb ROI: -1.76% Traditional ROI: 3.59%
151 Tom And Mike Road Harbor Island, SC Discover the possibilities on this exceptional 5.34-acre estate in the desirable Coffin Po...	3 beds \| 3 baths \| 3,504 sq.ft.	$1,250,000	Airbnb cash on cash: -0.29% Traditional cash on cash: -0.07% Airbnb Rental Income: $2119 Traditional Rental Income: $1827 Airbnb ROI: -0.29% Traditional ROI: -0.07%
4 View Point Circle Harbor Island, SC PERFECT FOR HOMESTEADING! Looking for a newly renovated bungalow on a spacious corner lot?...	3 beds \| 2 baths \| 1,248 sq.ft.	$379,000	Airbnb cash on cash: 3.09% Traditional cash on cash: 3.03% Airbnb Rental Income: $2119 Traditional Rental Income: $1557 Airbnb ROI: 3.09% Traditional ROI: 3.03%
151 Tom and Mike Road Harbor Island, SC Discover the possibilities on this exceptional 5.34-acre estate in the desirable Coffin Po...	3 beds \| 3 baths \| N/A	$1,250,000	Airbnb cash on cash: -0.29% Traditional cash on cash: 0% Airbnb Rental Income: $2119 Traditional Rental Income: $1911 Airbnb ROI: -0.29% Traditional ROI: 0%
183 Sea Pines Drive Harbor Island, SC Pack your bags (and don't forget your swimsuit!) Positioned on a generous .77-acre lot in ...	3 beds \| 3 baths \| 2,500 sq.ft.	$1,350,000	Airbnb cash on cash: -0.38% Traditional cash on cash: 0.17% Airbnb Rental Income: $2119 Traditional Rental Income: $2276 Airbnb ROI: -0.38% Traditional ROI: 0.17%
32 W Cedar Road Harbor Island, SC 1.11 ACRES AND CLOSE DISTANCE TO THE BEACH! This spacious 3-bedroom, 2.5-bath home offers ...	3 beds \| 3 baths \| 2,052 sq.ft.	$539,000	Airbnb cash on cash: 1.38% Traditional cash on cash: 2.85% Airbnb Rental Income: $2119 Traditional Rental Income: $2318 Airbnb ROI: 1.38% Traditional ROI: 2.85%
6 Teal Court Harbor Island, SC Situated within the private oceanfront community of Harbor Island, 6 Teal Court offers pan...	5 beds \| 4 baths \| 3,044 sq.ft.	$1,250,000	Airbnb cash on cash: 1.58% Traditional cash on cash: 1.52% Airbnb Rental Income: $4009 Traditional Rental Income: $3080 Airbnb ROI: 1.58% Traditional ROI: 1.52%
3 Cedar Reef Drive #E-211 Harbor Island, SC This beautifully maintained furnished two-bedroom condo offers the perfect blend of comfor...	2 beds \| 3 baths \| 1,080 sq.ft.	$370,000	Airbnb cash on cash: -2.23% Traditional cash on cash: 1.62% Airbnb Rental Income: $446 Traditional Rental Income: $1519 Airbnb ROI: -2.23% Traditional ROI: 1.62%
77 Inglewood Circle Harbor Island, SC Experience the best of coastal living in this beautifully crafted deepwater home, ideally ...	3 beds \| 3 baths \| 2,464 sq.ft.	$1,080,000	Airbnb cash on cash: 0.11% Traditional cash on cash: 0.92% Airbnb Rental Income: $2119 Traditional Rental Income: $2390 Airbnb ROI: 0.11% Traditional ROI: 0.92%

Real Estate investment in Harbor-island, SC

There are 47 properties for sale in the city of Harbor Island . The median list price in Harbor Island is $434,740 and the average price per square foot is $298. In July 2026, the average monthly cash on cash return in Harbor Island is 1.00%. The average monthly rental income in Harbor Island is $1,845.

Harbor-island, SC Real Estate Investing: FAQs for Buyers, Sellers and Investors

There are 47 investment properties available for sale in Harbor-island.

In 2026, the best neighborhood to buy investment property is Harbor Island.

The ROI for Long-Term is higher than the Short-Term in Harbor-island with average rental income of $1,845.

Your search for investment property begins and ends here

Investment Property for Sale in Harbor Island, SC

86 Harbour Key Drive

Harbor Island, SC

2 beds | 2 baths | 1,238 sq.ft.

$609,000

Airbnb cash on cash: -2.56%

Traditional cash on cash: 1.3%

Airbnb Rental Income: $446

Traditional Rental Income: $2374

Airbnb ROI: -2.56%

Traditional ROI: 1.3%

3 Cedar Reef Drive #E106

Harbor Island, SC

1 beds | 2 baths | 806 sq.ft.

$329,000

Airbnb cash on cash: -1.4%

Traditional cash on cash: 3.15%

Airbnb Rental Income: $547

Traditional Rental Income: $1672

Airbnb ROI: -1.4%

Traditional ROI: 3.15%

2 Cedar Reef Drive #A207

Harbor Island, SC

2 beds | 3 baths | 1,080 sq.ft.

$404,900

Airbnb cash on cash: -3.08%

Traditional cash on cash: 0.72%

Airbnb Rental Income: $446

Traditional Rental Income: $1627

Airbnb ROI: -3.08%

Traditional ROI: 0.72%

22 Ocean Marsh Lane

Harbor Island, SC

3 beds | 3 baths | 1,337 sq.ft.

$599,000

Airbnb cash on cash: -0.04%

Traditional cash on cash: 0.74%

Airbnb Rental Income: $2119

Traditional Rental Income: $2009

Airbnb ROI: -0.04%

Traditional ROI: 0.74%

1 Cedar Reef Drive #F101

Harbor Island, SC

1 beds | 2 baths | 794 sq.ft.

$339,500

Airbnb cash on cash: -0.97%

Traditional cash on cash: 2.14%

Airbnb Rental Income: $547

Traditional Rental Income: $1260

Airbnb ROI: -0.97%

Traditional ROI: 2.14%

36 Avenue Of Oaks

Harbor Island, SC

3 beds | 4 baths | 3,130 sq.ft.

$1,474,000

Airbnb cash on cash: -0.49%

Traditional cash on cash: 0.45%

Airbnb Rental Income: $2119

Traditional Rental Income: $2865

Airbnb ROI: -0.49%

Traditional ROI: 0.45%

86 Harbor Drive N

Harbor Island, SC

3 beds | 3 baths | 2,493 sq.ft.

$1,050,000

Airbnb cash on cash: -0.63%

Traditional cash on cash: 0.66%

Airbnb Rental Income: $2119

Traditional Rental Income: $2830

Airbnb ROI: -0.63%

Traditional ROI: 0.66%

3 Cedar Reef Drive #E105

Harbor Island, SC

1 beds | 2 baths | 794 sq.ft.

$285,000

Airbnb cash on cash: -3.76%

Traditional cash on cash: -0.29%

Airbnb Rental Income: $547

Traditional Rental Income: $1200

Airbnb ROI: -3.76%