Duncan Passage is a

strait A strait is an oceanic landform connecting two seas or two other large areas of water. The surface water generally flows at the same elevation on both sides and through the strait in either direction. Most commonly, it is a narrow ocean channe ...

in the Bay of Bengal. It is about wide; it separates Rutland Island (part of Great Andaman and South Andaman administrative division) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the

Andaman Sea The Andaman Sea (historically also known as the Burma Sea) is a marginal sea of the northeastern Indian Ocean bounded by the coastlines of Myanmar and Thailand along the Gulf of Martaban and west side of the Malay Peninsula, and separated from ...

. 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.Prashant sharm
Geography FAQ: for SSC, Bank PO, Railway, UPSC exams and CDS
page 8.2002
Sailing Directions (enroute) for India and the Bay of Bengal
/ref>

Manners Strait Etiquette () is the set of norms of personal behaviour in polite society, usually occurring in the form of an ethical code of the expected and accepted social behaviours that accord with the conventions and norms observed and practised by a s ...

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 North Cinque Island or ''Gue-a-lue''US Hydrographic Office (1916Bay of Bengal Pilot page 288. H.O. pub. 160, Government Printing Office. is an uninhabited island of the Andaman Islands. It belongs to the South Andaman administrative district, p ...

South Cinque Island South Cinque Island or ''Ga-o-ta-koi''US Hydrographic Office (1916Bay of bengal Pilot page 288. H.O. pub. 160, Government Printing Office. is an uninhabited island of the Andaman Islands. It belongs to the South Andaman administrative district, ...

* 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 ChannelMohor Chakraborty and Tridib Chakraborti, 2020
India's Strategy in the South China Seabooks

Outside Andaman

* Palk strait * Malacca Strait * Singapore Strait *

Sunda Strait The Sunda Strait ( id, Selat Sunda) is the strait between the Indonesian islands of Java island, Java and Sumatra. It connects the Java Sea with the Indian Ocean. Etymology The strait takes its name from the Sunda Kingdom, which ruled the weste ...

Donald B. Freeman, ''The Straits of Malacca: Gateway Or Gauntlet?''. McGill-Queen's Press, 2006.The designaiton of routing measures in Sunda and Lombok Straits
* Lombok StraitIndia’s Strategic Dimensions in Malacca Strait By Vithiyapathy Purushothaman
16 March 2015.

Gallery

File:Tamil Nadu topo deutsch mit Gebirgen.png, Gulf of Mannar File:Andaman_nicobar_76.jpg, Cocos Strait, Duncan Passage File:Andaman_Islands.PNG, Cocos Strait is at the northern end of Andaman Islands in red square File:India_Andaman_and_Nicobar_Islands_relief_map.png, Ten Degrees Channel File:Ten_Degree_Channel,_Andaman_and_Nicobar_Islands,_India.png, Ten Degrees Channel, closeup File:Strait_of_malacca.jpg, Malacca Strait File:Straits_of_Singapore_locator_map.PNG, Singapore Strait File:Sunda_Strait_map-fr.svg, Sunda Strait File:Lombok_strait.png, Lombok Strait File:My-map.png, South China Sea, Malacca Strait,

Gulf of Thailand The Gulf of Thailand, also known as the Gulf of Siam, is a shallow inlet in the southwestern South China Sea, bounded between the southwestern shores of the Indochinese Peninsula and the northern half of the Malay Peninsula. It is around in l ...

Sulu Sea The Sulu Sea ( fil, Dagat Sulu; Tausug: ''Dagat sin Sūg''; Chavacano: ''Mar de Sulu''; Cebuano: ''Dagat sa Sulu''; Hiligaynon: ''Dagat sang Sulu''; Karay-a: ''Dagat kang Sulu''; Cuyonon: ''Dagat i'ang Sulu''; ms, Laut Sulu) is a body o ...

, Celebes Sea

References

{{reflist Straits of India Straits of the Indian Ocean Landforms of the Andaman and Nicobar Islands