The Official Web Site of the State of South Carolina

!! SCAM ALERT !! 

SULLIVAN'S ISLAND NEVER REQUESTS PAYMENT THROUGH WIRE TRANSACTIONS. IF YOU HAVE QUESTIONS OR NEED CONFIRMATION ON AN INVOICE FOR SULLIVAN'S ISLAND PLEASE CALL TOWN HALL AT 843-883-3198.

Sign up for Everbridge, the Town’s Emergency Notification System, to receive emergency texts and emails, and the Town's Monthly Newsletter to stay up to date on all of Town's meetings, projects and special events. 

Station 31 Street at I’On Avenue is currently closed for storm water utility work. Please use an alternate route if traveling in that area.

Station 28 ½ Traffic Detour beginning March 16, 2026

Post Office

 Post OfficeSullivan’s Island Post Office has been serving the community for over 50 years. It offers PO Box access in their lobby 24 hours per day. Retail hours are Monday-Friday 9am – 1 pm and 2pm – 4pm. Saturday 9am – 10am. Bulk mail acceptance hours are Monday-Friday 9am – 1 pm and 2pm – 2:30pm. Last collection times are Monday – Friday 3:45pm and Saturday 9:45am. 

Other services offered at this location are bulk mail services, business reply mail services, duck stamps, general delivery, money orders, pickup mail services, priority mail services and PO Box online services. Currently, this post office location does not offer passport services.