Harbor Island, SC Real Estate Listings & Homes for Sale

New On Site Today

$679,000

1 of 37

Nautical Watch | Fripp Island

3 beds

2 baths

1,517 sqft

On Site: Today

MLS ID#: 195059
© 2026 Lowcountry Regional MLS. Listing courtesy of Claudia Clare of Greco Group Brokered by eXp.

New On Site Today

$85,000

1 of 5

Nautical Watch | St. Helena Island

0.09 acres

On Site: Today

MLS ID#: 194927
© 2026 Lowcountry Regional MLS. Listing courtesy of Christopher Edenfield of eXp Realty LLC - Bluffton.

New On Site 1 Day Ago

$289,000

1 of 62

Cedar Reef Vill | St. Helena Island

2 beds

2 baths

1 ½ baths

1,069 sqft

On Site: 1 Day

MLS ID#: 195031
© 2026 Lowcountry Regional MLS. Listing courtesy of Nadine O'quinn of Keller Williams.

New On Site 1 Day Ago

$385,000

1 of 59

Cedar Reef Vill | St. Helena Island

2 beds

2 baths

1 ½ baths

1,080 sqft

On Site: 1 Day

MLS ID#: 194851
© 2026 Lowcountry Regional MLS. Listing courtesy of Nadine O'quinn of Keller Williams.

$299,000

1 of 41

Cedar Reef Vill | Harbor Island

1 beds

1 baths

1 ½ baths

794 sqft

On Site: 14 Days

MLS ID#: 194737
© 2026 Lowcountry Regional MLS. Listing courtesy of Bryan Gates of Lowcountry Real Estate.

Price Reduced

$1,225,000

1 of 53

Beachwalk | Harbor Island

4 beds

3 baths

2,492 sqft

On Site: 28 Days

MLS ID#: 194336
© 2026 Lowcountry Regional MLS. Listing courtesy of Megan Feight of Daniel Ravenel Sotheby's Inte.

$46,900

1 of 10

Harbour Key | Harbor Island

0.11 acres

On Site: 32 Days

$314,900

1 of 38

Cedar Reef Vill | Harbor Island

1 beds

1 baths

1 ½ baths

806 sqft

On Site: 38 Days

$710,000

1 of 47

Ocean Marsh | Harbor Island

3 beds

2 baths

1 ½ baths

1,798 sqft

On Site: 45 Days

$1,100,000

1 of 49

Ocean Lot | Harbor Island

3 beds

3 baths

2,493 sqft

On Site: 46 Days

41 Harbor Island Real Estate Listings