Robert D. Golden, 29, of Tulsa has drowned on Lake Fort Gibson, according to the Oklahoma Highway Patrol.
Golden was swimming at Cherokee Landing in Sequoyah State Park on Sunday around 4 p.m., according to the patrol. While attempting to swim across the cove, he went under water around halfway and never resurfaced.
Bystanders brought him to shore and began CPR until emergency workers could arrive. Golden was transported by Cherokee Nation EMS to Wagoner Hospital, where he was pronounced dead at 5:10 p.m.
He was not using a personal flotation device.