Duncan Passage
Duncan Passage is a strait in the Bay of Bengal. It is about wide; it separates Rutland Island to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea. It lies within the exclusive economic zone of India protected by the integrated tri-services Andaman and Nicobar Command of Indian Military.
It sits between The Sisters island off South Andaman Island and North Brother Island off Little Andaman with a minimum depth of 21.9 m.
Manners Strait is the branch of Duncan Passage that lies between North Cinque Island and Rutland Island.
Islands along Duncan Passage
Several small islands and islets lie along the passage. North to south, they are:- North Cinque Island
- South Cinque Island
- Passage Island
- The Sisters
- North Brother Island
- South Brother Island
Nearby major channels and straits
In Andamans
- Cocos Strait
- Ten Degree Channel
- Duncan Passage
- Six Degree Channel
Outside Andaman
- Palk strait
- Malacca Strait
- Singapore Strait
- Sunda Strait
- Lombok Strait