St. Marys, Georgia

St. Marys, Georgia
City
Seal
Location in Camden County and the state of Georgia
Coordinates: 30°45′23″N 81°34′17″W / 30.75639°N 81.57139°W / 30.75639; -81.57139
Country	United States of America
State	Georgia
County	Camden
Area [1]
• Total	25.00 sq mi (64.74 km2)
• Land	22.82 sq mi (59.11 km2)
• Water	2.18 sq mi (5.63 km2)
Elevation	10 ft (3 m)
Population  (2020)
• Total	18,256
• Density	799.93/sq mi (308.85/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP Code	31558[2]
Area code	Area code 912
FIPS code	13-67984[3]
GNIS feature ID	0356510[4]
Website	www.stmarysga.gov

St. Marys is a city in Camden County, Georgia, United States, located on the southern border of Camden County on the St. Marys River in the state's Low Country. It had a population of 18,256 at the 2020 census, up from 17,121 at the 2010 census. It is part of the Kingsland, Georgia Micropolitan Statistical Area. The Florida border is just to the south across the river, Cumberland Island National Seashore is to the northeast, and Kingsland, Georgia, is to the west. Jacksonville, Florida, is 38 miles south, and Savannah, Georgia, is 110 miles north.

The city is home to the National Seashore's visitor center and boat access; the St. Marys Submarine Museum, and Crooked River State Park. It is bordered by Kings Bay Naval Submarine Base, home port for several Ohio-class submarines. The city hosts the annual St. Marys Rock Shrimp Festival.

The area was first explored in the mid-16th century by Spanish expeditions as part of the settlement of Spanish Florida. Through the decades, it also came under the colonial influence of Great Britain and finally the United States. By the 2020 census, the city had a population of 18,256.