Harbor Island, SC Real Estate Listings & Homes for Sale

New On Site 2 Days Ago

$399,000

1 of 37

Cedar Reef Vill | Harbor Island

2 beds

2 baths

1 ½ baths

1,080 sqft

On Site: 2 Days

MLS ID#: 190488
© 2025 Lowcountry Regional MLS. Listing courtesy of Jennifer Helms of BHHS Bay Street Realty.

New On Site 3 Days Ago

$314,000

1 of 26

Cedar Reef Vill | Harbor Island

1 beds

1 baths

1 ½ baths

806 sqft

On Site: 3 Days

MLS ID#: 190351
© 2025 Lowcountry Regional MLS. Listing courtesy of Sue Lefavi of eXp Realty LLC - Bluffton.

New On Site 4 Days Ago

$320,000

1 of 22

Cedar Reef Vill | Harbor Island

1 beds

2 baths

794 sqft

On Site: 4 Days

MLS ID#: 190447
© 2025 Lowcountry Regional MLS. Listing courtesy of Angela Thomas-Jackson of The HomesFinder Realty Group.

$1,200,000

1 of 90

Causeway | Harbor Island

5 beds

4 baths

2,500 sqft

On Site: 7 Days

MLS ID#: 190381
© 2025 Lowcountry Regional MLS. Listing courtesy of Mary Ann Weir of Palmetto Moon Realty, LLC.

$389,000

1 of 55

Cedar Reef Vill | St. Helena Island

2 beds

2 baths

1 ½ baths

1,080 sqft

On Site: 11 Days

MLS ID#: 190124
© 2025 Lowcountry Regional MLS. Listing courtesy of Nadine O'quinn of Keller Williams Realty.

$48,500

1 of 18

Harbour Key | St. Helena Island

0.22 acres

On Site: 12 Days

MLS ID#: 190323
© 2025 Lowcountry Regional MLS. Listing courtesy of Tish Delozier of Weichert Realtors Coastal PR.

$629,000

1 of 40

Harbour Key | Harbor Island

3 beds

2 baths

1 ½ baths

1,800 sqft

On Site: 16 Days

$499,000

1 of 48

Cedar Reef Vill | Harbor Island

2 beds

2 baths

1 ½ baths

1,080 sqft

On Site: 18 Days

$689,000

1 of 55

Harbour Key | Harbor Island

3 beds

3 baths

1,696 sqft

On Site: 42 Days

$639,000

1 of 59

Ocean Marsh | Harbor Island

3 beds

3 baths

1,650 sqft

On Site: 45 Days

48 Harbor Island Real Estate Listings