An elderly woman has died while snorkelling on the Great Barrier Reef.
Queensland Police said they did not have many details but were not treating the 76-year-old's death as suspicious.
The woman was reportedly with a group on a snorkelling tour off Michaelmas Cay near Cairns when she was pulled from the water and found unresponsive at about 2pm on Tuesday.
Police will prepare a report for the coroner in conjunction with Workplace Health and Safety investigators.
"It may be some time before police can confirm the identity of the woman and notify their next-of-kin," police said in a statement.