Morto bay is an inlet on the South West tip of Cape Helles on the Gallipoli Peninsula. Cape Helles was the main landing area for the Gallipoli invasion and HMS Ocean was lost in Morto Bay after failing to save HMS Irresistible.
Cape Helles War Zone 1915.
Gallipoli peninsula showing Cape Helles at the South West tip.
Coordinates: 40°03′N 26°13′E / 40.050°N 26.217°E