Jesup, GA

ZIP code 31545 covers the area of St. Marys, Georgia. This coastal city is home to the Naval Submarine Base Kings Bay, a major US Navy installation. St. Marys is also known for its historic downtown area, offering charming shops, waterfront dining, and access to Cumberland Island National Seashore. Additionally, the St. Marys River flows through the city, providing recreational opportunities for residents and visitors alike.