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

separator

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: -1.92% Traditional cash on cash: 1.17% Airbnb Rental Income: $967 Traditional Rental Income: $2374 Airbnb ROI: -1.92% Traditional ROI: 1.17%
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.	$324,900	Airbnb cash on cash: -5.43% Traditional cash on cash: -0.98% Airbnb Rental Income: $605 Traditional Rental Income: $1672 Airbnb ROI: -5.43% Traditional ROI: -0.98%
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: -6.01% Traditional cash on cash: -3.34% Airbnb Rental Income: $967 Traditional Rental Income: $1627 Airbnb ROI: -6.01% Traditional ROI: -3.34%
81 Sea Pines Drive Harbor Island, SC This rare high-end private beachfront retreat over an acre, is an inviting Lowcountry sanc...	5 beds \| 3 baths \| 2,748 sq.ft.	$1,535,000	Airbnb cash on cash: 0.77% Traditional cash on cash: 0.75% Airbnb Rental Income: $3724 Traditional Rental Income: $2879 Airbnb ROI: 0.77% Traditional ROI: 0.75%
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.	$579,000	Airbnb cash on cash: 0.36% Traditional cash on cash: 0.8% Airbnb Rental Income: $2354 Traditional Rental Income: $2009 Airbnb ROI: 0.36% Traditional ROI: 0.8%
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: -0.82% Traditional cash on cash: 2.14% Airbnb Rental Income: $605 Traditional Rental Income: $1260 Airbnb ROI: -0.82% 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: -0.34% Traditional cash on cash: 0.45% Airbnb Rental Income: $2354 Traditional Rental Income: $2865 Airbnb ROI: -0.34% 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: -0.43% Traditional cash on cash: 0.66% Airbnb Rental Income: $2354 Traditional Rental Income: $2830 Airbnb ROI: -0.43% 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.	$240,000	Airbnb cash on cash: -4.06% Traditional cash on cash: -0.16% Airbnb Rental Income: $605 Traditional Rental Income: $1200 Airbnb ROI: -4.06% Traditional ROI: -0.16%
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: -0.7% Traditional cash on cash: -0.3% Airbnb Rental Income: $2354 Traditional Rental Income: $2216 Airbnb ROI: -0.7% Traditional ROI: -0.3%
1866 Sea Island Parkway Harbor Island, SC Escape to the Lowcountry in this spacious 3-bedroom, 2-bath home nestled on a generous fen...	3 beds \| 2 baths \| 1,338 sq.ft.	$343,000	Airbnb cash on cash: 4.11% Traditional cash on cash: 4.31% Airbnb Rental Income: $2354 Traditional Rental Income: $1839 Airbnb ROI: 4.11% Traditional ROI: 4.31%
6 Cedar Reef Drive #C102 Harbor Island, SC Everything you need and nothing you don't for a beach getaway property at this completely ...	1 beds \| 2 baths \| 794 sq.ft.	$315,000	Airbnb cash on cash: -6.17% Traditional cash on cash: -3.34% Airbnb Rental Income: $605 Traditional Rental Income: $1153 Airbnb ROI: -6.17% Traditional ROI: -3.34%
6 Harbor Drive N #M313 Harbor Island, SC Oceanfront views and nearby beach access are only part of the story at 6 Harbor Drive, Uni...	2 beds \| 2 baths \| 1,150 sq.ft.	$417,000	Airbnb cash on cash: -0.88% Traditional cash on cash: 2.38% Airbnb Rental Income: $967 Traditional Rental Income: $1892 Airbnb ROI: -0.88% Traditional ROI: 2.38%
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: -0.35% Traditional cash on cash: -0.42% Airbnb Rental Income: $3724 Traditional Rental Income: $2816 Airbnb ROI: -0.35% Traditional ROI: -0.42%
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.	$279,500	Airbnb cash on cash: -6.71% Traditional cash on cash: -2.64% Airbnb Rental Income: $605 Traditional Rental Income: $1388 Airbnb ROI: -6.71% Traditional ROI: -2.64%
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: -1.5% Traditional cash on cash: 2.05% Airbnb Rental Income: $605 Traditional Rental Income: $1136 Airbnb ROI: -1.5% Traditional ROI: 2.05%
8 Windjammer Lane Harbor Island, SC PRICE IMPROVEMENT ~ Welcome to your own private coastal retreat on Harbor Island. Tucked a...	4 beds \| 4 baths \| 2,186 sq.ft.	$815,000	Airbnb cash on cash: 1.95% Traditional cash on cash: 2.1% Airbnb Rental Income: $3574 Traditional Rental Income: $2908 Airbnb ROI: 1.95% Traditional ROI: 2.1%
3 Cedar Reef Drive #E-108 Harbor Island, SC Move-In Ready Condo with Brand-New Flooring & Major Updates! Welcome home to this beautifu...	1 beds \| 2 baths \| 806 sq.ft.	$250,000	Airbnb cash on cash: -1.02% Traditional cash on cash: 7.4% Airbnb Rental Income: $605 Traditional Rental Income: $2303 Airbnb ROI: -1.02% Traditional ROI: 7.4%
119 Harbour Key Drive Harbor Island, SC Enjoy the laid back lifestyle of Harbor Island w/ gorgeous beaches, pool, tennis, pickelba...	3 beds \| 3 baths \| 1,696 sq.ft.	$654,000	Airbnb cash on cash: -0.13% Traditional cash on cash: 1.75% Airbnb Rental Income: $2354 Traditional Rental Income: $2920 Airbnb ROI: -0.13% Traditional ROI: 1.75%
6 W Marsh Drive Harbor Island, SC Angel by the Sea Beach Cottage! A Great location, waterfront with beautiful marsh views. 3...	3 beds \| 3 baths \| 1,250 sq.ft.	$725,000	Airbnb cash on cash: 0.92% Traditional cash on cash: 1.45% Airbnb Rental Income: $2354 Traditional Rental Income: $2132 Airbnb ROI: 0.92% Traditional ROI: 1.45%
6 Harbor Drive #M117 Harbor Island, SC Fabulous 2BR/2BA Oceanfront villa! Beautiful pool to ocean views and completely furnished....	2 beds \| 2 baths \| 1,150 sq.ft.	$415,000	Airbnb cash on cash: -1.23% Traditional cash on cash: 0.8% Airbnb Rental Income: $967 Traditional Rental Income: $1409 Airbnb ROI: -1.23% Traditional ROI: 0.8%
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 \| 794 sq.ft.	$324,900	Airbnb cash on cash: -5.46% Traditional cash on cash: -1.84% Airbnb Rental Income: $605 Traditional Rental Income: $1422 Airbnb ROI: -5.46% Traditional ROI: -1.84%
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: -5.26% Traditional cash on cash: -1.71% Airbnb Rental Income: $605 Traditional Rental Income: $1449 Airbnb ROI: -5.26% Traditional ROI: -1.71%
2 Ebb Tide Court Harbor Island, SC EASY SHOWINGS & OCEAN VIEWS! - ''The Crown of the Coast'' gated resort beach community of ...	4 beds \| 3 baths \| 2,492 sq.ft.	$1,100,000	Airbnb cash on cash: -0.14% Traditional cash on cash: -0.13% Airbnb Rental Income: $3574 Traditional Rental Income: $2799 Airbnb ROI: -0.14% 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: 0.62% Traditional cash on cash: 0.97% Airbnb Rental Income: $2354 Traditional Rental Income: $2020 Airbnb ROI: 0.62% Traditional ROI: 0.97%
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: 3.64% Traditional cash on cash: 3.03% Airbnb Rental Income: $2354 Traditional Rental Income: $1557 Airbnb ROI: 3.64% Traditional ROI: 3.03%
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: -3.56% Traditional cash on cash: -0.96% Airbnb Rental Income: $967 Traditional Rental Income: $1519 Airbnb ROI: -3.56% Traditional ROI: -0.96%
4 Cedar Reef Drive #B203 Harbor Island, SC This beautifully maintained turn key 2 bedroom condo offers the perfect blend of style & c...	2 beds \| 3 baths \| 1,069 sq.ft.	$379,000	Airbnb cash on cash: -3.01% Traditional cash on cash: -0.47% Airbnb Rental Income: $967 Traditional Rental Income: $1519 Airbnb ROI: -3.01% Traditional ROI: -0.47%
100 Little Horse Island Drive Harbor Island, SC Welcome to a place where the natural beauty, history, and quiet rhythm of the Lowcountry c...	2 beds \| 3 baths \| 1,280 sq.ft.	$575,000	Airbnb cash on cash: -1.34% Traditional cash on cash: 0.97% Airbnb Rental Income: $967 Traditional Rental Income: $1858 Airbnb ROI: -1.34% Traditional ROI: 0.97%
5 Tradewind Lane Harbor Island, SC Welcome to 5 Tradewind Lane, a stunning coastal retreat in the private gated community of ...	3 beds \| 4 baths \| 2,037 sq.ft.	$1,125,000	Airbnb cash on cash: 0.22% Traditional cash on cash: 0.94% Airbnb Rental Income: $2354 Traditional Rental Income: $2526 Airbnb ROI: 0.22% Traditional ROI: 0.94%
2 Cedar Reef Drive #A201 Harbor Island, SC Here is your change to own one of the RARE Cedar Reef end unit condos. This unit offers ex...	2 beds \| 3 baths \| 1,080 sq.ft.	$439,000	Airbnb cash on cash: -2.9% Traditional cash on cash: -0.7% Airbnb Rental Income: $967 Traditional Rental Income: $1519 Airbnb ROI: -2.9% Traditional ROI: -0.7%
5 Cedar Reef Drive #D103 Harbor Island, SC The only 1 bedroom Ocean Front Cedar Reef villa available. Wake up to sweeping ocean views...	1 beds \| 2 baths \| 806 sq.ft.	$309,000	Airbnb cash on cash: -1.03% Traditional cash on cash: 3.32% Airbnb Rental Income: $605 Traditional Rental Income: $1581 Airbnb ROI: -1.03% Traditional ROI: 3.32%
15 Dockside Lane Harbor Island, SC Welcome to waterfront living in the Lowcountry. This 3-bedroom, 2 bath custom-built home s...	3 beds \| 2 baths \| 2,218 sq.ft.	$1,250,000	Airbnb cash on cash: 0.16% Traditional cash on cash: 0.58% Airbnb Rental Income: $2354 Traditional Rental Income: $2266 Airbnb ROI: 0.16% Traditional ROI: 0.58%
77 Avenue Of Oaks Harbor Island, SC Set on a full acre beneath the shade of St. Helena Island's moss draped live oaks, this 20...	3 beds \| 2 baths \| 1,334 sq.ft.	$535,000	Airbnb cash on cash: 2.07% Traditional cash on cash: 2.88% Airbnb Rental Income: $2354 Traditional Rental Income: $2175 Airbnb ROI: 2.07% Traditional ROI: 2.88%
5 Cedar Reef Drive #D214 Harbor Island, SC A beautifully updated oceanfront condominium offering commanding, unobstructed views of th...	2 beds \| 3 baths \| 1,080 sq.ft.	$445,000	Airbnb cash on cash: -1.09% Traditional cash on cash: 1.89% Airbnb Rental Income: $967 Traditional Rental Income: $1860 Airbnb ROI: -1.09% Traditional ROI: 1.89%
5 Cedar Reef #D 112 Harbor Island, SC Escape to shoreline luxury in this beautifully remodeled 1-bedroom beachfront villa on Har...	1 beds \| 2 baths \| 806 sq.ft.	$350,000	Airbnb cash on cash: -0.89% Traditional cash on cash: 3.36% Airbnb Rental Income: $605 Traditional Rental Income: $1713 Airbnb ROI: -0.89% Traditional ROI: 3.36%

Real Estate investment in Harbor-island, SC

There are 40 properties for sale in the city of Harbor Island . The median list price in Harbor Island is $344,836 and the average price per square foot is $247. In November 2026, the average monthly cash on cash return in Harbor Island is 1.00%. The average monthly rental income in Harbor Island is $1,815.

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

There are 40 investment properties available for sale in Harbor-island.

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

The ROI for Short-Term is higher than the Long-Term in Harbor-island with average rental income of $2,354.

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: -1.92%

Traditional cash on cash: 1.17%

Airbnb Rental Income: $967

Traditional Rental Income: $2374

Airbnb ROI: -1.92%

Traditional ROI: 1.17%

3 Cedar Reef Drive #E106

Harbor Island, SC

1 beds | 2 baths | 806 sq.ft.

$324,900

Airbnb cash on cash: -5.43%

Traditional cash on cash: -0.98%

Airbnb Rental Income: $605

Traditional Rental Income: $1672

Airbnb ROI: -5.43%

Traditional ROI: -0.98%

2 Cedar Reef Drive #A207

Harbor Island, SC

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

$404,900

Airbnb cash on cash: -6.01%

Traditional cash on cash: -3.34%

Airbnb Rental Income: $967

Traditional Rental Income: $1627

Airbnb ROI: -6.01%

Traditional ROI: -3.34%

81 Sea Pines Drive

Harbor Island, SC

5 beds | 3 baths | 2,748 sq.ft.

$1,535,000

Airbnb cash on cash: 0.77%

Traditional cash on cash: 0.75%

Airbnb Rental Income: $3724

Traditional Rental Income: $2879

Airbnb ROI: 0.77%

Traditional ROI: 0.75%

22 Ocean Marsh Lane

Harbor Island, SC

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

$579,000

Airbnb cash on cash: 0.36%

Traditional cash on cash: 0.8%

Airbnb Rental Income: $2354

Traditional Rental Income: $2009

Airbnb ROI: 0.36%

Traditional ROI: 0.8%

1 Cedar Reef Drive #F101

Harbor Island, SC

1 beds | 2 baths | 794 sq.ft.

$339,500

Airbnb cash on cash: -0.82%

Traditional cash on cash: 2.14%

Airbnb Rental Income: $605

Traditional Rental Income: $1260

Airbnb ROI: -0.82%

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: -0.34%

Traditional cash on cash: 0.45%

Airbnb Rental Income: $2354

Traditional Rental Income: $2865

Airbnb ROI: -0.34%

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: -0.43%

Traditional cash on cash: 0.66%

Airbnb Rental Income: $2354

Traditional Rental Income: $2830

Airbnb ROI: -0.43%