The Coast Guard is responding to a vessel aground on the St. John's River near Mayport, Fla. The 235-ft Motor Vessel Endeavour ran aground Jan. 6 on the St. John's River in Mayport near the entrance of the Intracoastal Waterway. The Captain of the Port has established a 50-yard safety zone around the vessel; all traffic should remain outside this zone for their own safety and for those crews conducting removal operations. Coast Guard Sector Jacksonville is working with the owner of the vessel to ensure the vessel is safely re-floated mitigating the risks to the environment and Port of Jacksonville. At this point there are no risks to commerce or traffic in the channel. The cause of the incident is under investigation.