Firefighters have spent the night battling a ferocious bushfire on Yunderup Island in South Yunderup.
The blaze began just before 7.30pm on Tuesday and at one point there was a possible threat to lives and homes in the area.
It is now contained and under control with fire crews expected to remain at the scene today.
A bushfire advice remains in place for people on the Murray Delta Islands including Yunderup, Little Yunderup, Worallgarook, Ballee, Meeyip, Jeegarnyeejip and Cooleenup Islands.
The cause of the fire is not yet known.
Mandurah Crab Fest boasts huge range of free, family friendly entertainment
Fuel prices surge in Perth, Mandurah
Teen boys charged over Mandurah burglaries
Tragic update in search for missing man Robert Snyder
Premier Roger Cook to leave Kwinana electorate, move to Perth
Mandurah Marine Rescue's new vessel named in memory of nun who survived 1959 boating accident
Teen dies in motorbike crash at Waroona Dam
Shark alert issued after whale carcass reported at Preston Beach
Kwinana businesses to refuse serving students during school hours