Duncan Passage

Duncan Passage is a strait in the Indian Ocean. It is about 48 km (30 mi) wide; it separates Rutland Island (part of Great Andaman) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea.

Several small islands and islets lie along the passage. North to south, they are:

Manners Strait is the branch of Duncan Passage that lies between North Cinque Island and Rutland Island.