| Business | Phone |
| Harbor Shop 2137 Sea Island Pkwy, St Helena Island 29920 | (843) 838-5363 |
| Harbor Square Shop 2087 Sea Island Pkwy, St Helena Island 29920 | (843) 838-9799 |
| Island Plaza Grocery 858 Sea Island Pkwy, St Helena Island 29920 | (843) 838-5822 |
| Island Plaza Grocery & Deli Highway 21, St Helena Island 29920 | (843) 838-5822 |
| Xpress Lane 1702 Sea Island Pkwy, St Helena Island 29920 | (843) 838-9076 |
| Xpress Lane 813 Sea Island Pkwy, St Helena Island 29920 | (843) 838-3668 |
| Seaside Mini Market 1210 Seaside Rd, St Helena Island 29920 | (843) 838-3477 |