List of islands within the Murray River in South Australia is a list of islands located within the watercourse of the Murray River within the Australian state of South Australia from the mouth of the river at Encounter Bay in the south to the borders with the states of New South Wales and Victoria in the east including the following lakes located adjacent to the river's mouth - Coorong, Lake Albert and Lake Alexandrina.(This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.)