Coastal Georgia · GA

St. Marys

A river town on the Florida line, gateway to Cumberland Island.

Population
18,256 (2020 census)
Chartered
November 20, 1787
Ferry to
Cumberland Island
Tides
Two highs, two lows a day

Then

  1. 1787

    Twenty charter members sign the charter for “a town on the St. Marys” on November 20, and Oak Grove Cemetery is laid out at the town's edge.

  2. 1792

    The Georgia legislature recognizes the town. It incorporates in 1802.

  3. 1815

    In the War of 1812, the British capture the fort at Point Peter and hold the town for about a month.

Now

St. Marys sits on the north bank of the St. Marys River, with Florida across the water. The passenger ferry to Cumberland Island National Seashore leaves from its waterfront.

Naval Submarine Base Kings Bay, home port for Ohio-class submarines, borders the city.

On the water

From NOAA's predictions for St. Marys, GA over the next 365 days. Heights are in feet above mean lower low water (MLLW).

Pattern
Two highs and two lows a day, close in size
Typical daily range
6.2 ft
Biggest swing
8.3 ft on Jan 22
Smallest swing
4.1 ft on Mar 31
Highest high
7.6 ft, Sep 30 at 9:55 AM
Lowest low
−1.3 ft, Jan 23 at 3:20 AM

11 tide stations around St. Marys

Show all 11 stations

Sources