The St. Marys River flows into the northern tip of Cumberland Sound just north of Fernandina, FL. This reported shoaling should be of concern for anyone making a sidetrip from the Waterway to St. Marys, GA.
GEORGIA-FLORIDA-ST SIMONS SOUND TO TOLOMATO RIVER-ST MARYS RIVER: Shoaling. Week 45/11
Mariners are advised that shoaling extends 15 yards channelward between St Marys River DBN 6 (LLNR 6805) and St Marys River DBN 8 (LLNR 6810) with minimum depth reported at 2ft MLW. Chart 11489