Sullivan’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.