Visually the island is connected to the adjacent larger D'Urville Island .
Stephens Island is the largest of the family of islands , islets and rock stacks that characterise this southwestern side of the Cook Strait .
Visually the island is connected to the adjacent larger D'Urville Island , and Stephens Island is the largest of the family of islands , islets and rock stacks that characterise this southwestern side of the Cook Strait .