Harbor Island, SC Real Estate Listings & Homes for Sale

$399,000

1 of 28

Ocean Lot | Harbor Island

0.23 acres

On Site: 26 Days

MLS ID#: 193360
© 2025 Lowcountry Regional MLS. Listing courtesy of Mike Lewis of BHHS Bay Street Realty.

$294,000

1 of 20

Cedar Reef Vill | St. Helena Island

1 beds

1 baths

1 ½ baths

806 sqft

On Site: 29 Days

MLS ID#: 193177
© 2025 Lowcountry Regional MLS. Listing courtesy of Christopher Edenfield of eXp Realty LLC - Bluffton.

$255,000

1 of 27

Beach Hse L-Bld | St. Helena Island

1 beds

1 baths

1 ½ baths

714 sqft

On Site: 30 Days

MLS ID#: 193292
© 2025 Lowcountry Regional MLS. Listing courtesy of Shae Helms of Keller Williams Realty.

$89,000

1 of 18

Harbour Key | St. Helena Island

0.1 acres

On Site: 32 Days

MLS ID#: 193253
© 2025 Lowcountry Regional MLS. Listing courtesy of Christopher Skrip of RE/MAX Dream.

$454,900

1 of 55

Cedar Reef Vill | St. Helena Island

2 beds

2 baths

1 ½ baths

1,080 sqft

On Site: 38 Days

MLS ID#: 193199
© 2025 Lowcountry Regional MLS. Listing courtesy of Susan Schiavon of RE/MAX Island Realty Inc..

$449,000

1 of 61

Ocean V. M Bldg | Harbor Island

2 beds

2 baths

1,150 sqft

On Site: 53 Days

MLS ID#: 192767
© 2025 Lowcountry Regional MLS. Listing courtesy of Suzanne Plank of Palmetto Real Estate.

$240,000

1 of 42

Beach Hse L-Bld | Harbor Island

1 beds

1 baths

1 ½ baths

714 sqft

On Site: 66 Days

MLS ID#: 192719
© 2025 Lowcountry Regional MLS. Listing courtesy of Bryan Gates of Lowcountry Real Estate.

$487,000

1 of 33

Cedar Reef Vill | Harbor Island

2 beds

2 baths

1 ½ baths

1,080 sqft

On Site: 80 Days

$695,000

1 of 31

Harbour Key | Harbor Island

3 beds

2 baths

1 ½ baths

1,295 sqft

On Site: 85 Days

$418,500

1 of 54

Cedar Reef Vill | St. Helena Island

2 beds

2 baths

1 ½ baths

1,069 sqft

On Site: 106 Days

40 Harbor Island Real Estate Listings