Forensic Crash Unit is investigating a fatal boating incident on the Brisbane River today.
Initial investigations indicate at about 1.40pm a boat was on the river near the Colmslie Boat Ramp when it overturned.
A 30-year-old Wynnum woman was found unconscious under the boat and pronounced deceased at the scene.
A 28-year-old man was not injured when the boat overturned.
Investigations are continuing.