How many places in Australia are called Marri Islands?

There is one place named Marri Islands in Australia.

All places in the world called "Marri Islands".

Location Marri Islands:

• Western Australia

Cities

Gladstone (5)
Hamilton (5)
Kingston (5)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Brighton (3)
Buxton (3)
Clare (3)
Mosquito Creek (3)
Spring Hill (3)
Homebush (3)
Stratford (3)
Bald Hills (3)
Inglewood (3)
Broughton (3)
Donnybrook (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)
Mount Pleasant (3)
Oakwood (3)
Seymour (3)
Stonehenge (3)