Military officials are investigating the accident, it adds. No additional details about the incident were immediately released.
Ikei Island is a popular swimming, jet skiing and camping spot east of central Okinawa. It s accessible by bridge and features a white sand beach and clear waters, but sections of the Ikei Island chain are listed among the most dangerous water spots in Okinawa.
This is the second fatal surfing accident involving Marines in about seven months.
In August, 1st Lt. Clark Perkins, a 25-year-old student pilot with Marine Aviation Training Support Group-22, was on liberty when a wave pushed him into the rocks while he was surfing in Corpus Christi, Texas. He was rushed to Corpus Christi Medical Center, where he was later pronounced dead.