SECTOR CHARLESTON, SUBMERGED LAND ACT (SLA) - CHARLESTON HARBOR
General / Marine Events / Swim
General/Marine Events/Swim 54104 The Charleston Frogman Swim will take place on Sunday, October 4, 2026, from 8:15 a.m. until 11:30 a.m. The 4.1-mile swim will begin at the Charleston Maritime Center, proceed around the Battery, and conclude at Brittlebank Park pier and dock. A moving safety zone will be in effect to protect the participants of this event. The safety zone will encompass all waters surrounding participants and safety vessels, extending 50-yards in front, 50-yards behind, and 100-yards on either side. No one shall enter, transit, moor, anchor, or remain within the safety zone unless specifically authorized by official event patrol. Concerned vessel traffic can contact the official event patrol via VHF-FM channel 16 or 21.
USCG Southeast District Local Notice to Mariners 39/2026