Important Straits of the World 

Strait: – A strait is a narrow body of water that connects two large water bodies. 

Isthmus: – An Isthmus is narrow strip of land that connects two larger landmasses and separates two bodies of water. 

Palk Strait 

Connects the Bay of Bengal with the Gulf of Mannar. 

Strait of Gibraltar 

Connects the Atlantic ocean with the Mediterranean sea and separates Spain and Gibraltar 

Duncan Passage 

It separates Rutland to the north and Little Andaman to the south 

Nine Degree Channel 

The Nine Degree Channel is a channel in the Indian Ocean between the Laccadive Islands of Kalpeni and Suheli Par, and Maliku Atoll (Minicoy Island). These two subgroups of islands, together with the Amindivi Subgroup, form the Indian Union Territory (UT) of Lakshadweep. 

Ten Degree Channel 

The Ten Degree Channel is a channel that separates the Andaman Islands and Nicobar Islands from each other in the Bay of Bengal. 

Strait of Hormuz 

The Strait of Hormuz is a strait between the Persian Gulf and the Gulf of Oman. It provides the only sea passage from the Persian Gulf to the open ocean and is one of the world’s most strategically important choke points. 

Strait of Bab-El-Mandab 

The Bab-el-Mandeb is a strait between Yemen on the Arabian Peninsula, and Djibouti and Eritrea in the Horn of Africa. It connects the Red Sea to the Gulf of Aden. 

Malacca Strait 

The Strait of Malacca is a narrow stretch of water, 500 mi long and from 40 to 155 mi wide, between the Malay Peninsula to the northeast and the Indonesian island of Sumatra to the southwest, connecting the Andaman Sea and the South China Sea. 

Sunda Strait 

The Sunda Strait is the strait between the Indonesian islands of Java and Sumatra. It connects the Java Sea with the Indian Ocean. 

Bering Strait. 

The Bering Strait is a strait between the Pacific and Arctic oceans, separating the Chukchi Peninsula of the Russian Far East from the Seward Peninsula of Alaska. 

Oranto Strait 

The Strait of Otranto connects the Adriatic Sea with the Ionian Sea and separates Italy from Albania. Its width at Punta Palascìa, east of Salento is less than 72 km. The strait is named after the Italian city of Otranto. 

Bosphorous Strait 

The Bosporus Strait or Bosphorus Strait is a natural strait and an internationally significant waterway located in Istanbul in northwestern Turkey. It forms part of the continental boundary between Asia and Europe, and divides Turkey by separating Anatolia from Thrace. 

Dardanelles Strait 

It lies between Asian Turkey & European Turkey and connects the Agean sea with the sea of Marmara. It is a vital link of transportation between Black sea and Mediterrarean sea. 

La Perouse Strait 

La Pérouse Strait, or Sōya Strait, is a strait dividing the southern part of the Russian island of Sakhalin from the northern part of the Japanese island of Hokkaidō, and connecting the Sea of Japan on the west with the Sea of Okhotsk on the east. 

Strait of Tartary/Tartar 

Strait of Tartary or Gulf of Tartary is a strait in the Pacific Ocean dividing the Russian island of Sakhalin from mainland Asia, connecting the Sea of Okhotsk on the north with the Sea of Japan on the south. 

Tsugaru Strait 

The Tsugaru Strait is a strait between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean. It was named after the western part of Aomori Prefecture. 

Taiwan Strait or Formosa Strait 

The Taiwan Strait is a 180-kilometer-wide strait separating the island of Taiwan and continental Asia. The strait is part of the South China Sea and connects to the East China Sea to the north. The narrowest part is 130 km wide. The Taiwan Strait is itself a subject of international dispute over its political status. 

Mozambique Strait 

The Mozambique Channel is an arm of the Indian Ocean located between the Southeast African countries of Madagascar and Mozambique. The channel is about 1,600 km long and 419 km across at its narrowest point, and reaches a depth of 3,292 m about 230 km off the coast of Mozambique. 

Yucatan Strait 

The Yucatán Channel or Straits of Yucatán is a strait between Mexico and Cuba. It connects the Yucatán Basin of the Caribbean Sea with the Gulf of Mexico. It is just over 200 kilometres wide and nearly 2,800 metres deep at its deepest point near the coast of Cuba. 

Florida Strait 

The Straits of Florida, Florida Straits, or Florida Strait is a strait located south-southeast of the North American mainland, generally accepted to be between the Gulf of Mexico and the Atlantic Ocean, and between the Florida Keys and Cuba. 

Hudson Strait 

Hudson Strait links the Atlantic Ocean and Labrador Sea to Hudson Bay in Canada. This strait lies between Baffin Island and Nunavik, with its eastern entrance marked by Cape Chidley in Newfoundland and Labrador and Resolution Island off Baffin Island. 

Davis Strait 

Davis Strait is a northern arm of the Atlantic Ocean that lies north of the Labrador Sea. It lies between mid-western Greenland and Baffin Island in Nunavut, Canada. To the north is Baffin Bay. The strait was named for the English explorer John Davis, who explored the area while seeking a Northwest Passage. 

Cook Strait 

Cook Strait separates the North and South Islands of New Zealand. The strait connects the Tasman Sea on the northwest with the South Pacific Ocean on the southeast. It is 22 kilometres wide at its narrowest point, and is considered one of the most dangerous and unpredictable waters in the world. 

Bass Strait 

Bass Strait is a strait separating the island state of Tasmania from the Australian mainland. The strait provides the most direct waterway between the Great Australian Bight and the Tasman Sea, and is also the only maritime route into the economically prominent Port Phillip Bay. 

Torres Strait 

The Torres Strait, also known as Zenadh Kes, is a strait between Australia and the Melanesian island of New Guinea. It is 151 km wide at its narrowest extent. To the south is Cape York Peninsula, the northernmost extremity of the Australian mainland. To the north is the Western Province of Papua New Guinea 

Magellan Strait 

The Strait of Magellan, also called the Straits of Magellan, is a navigable sea route in southern Chile separating mainland South America to the north and Tierra del Fuego to the south. The strait is considered the most important natural passage between the Atlantic and Pacific oceans. 

Dover Strait 

The Strait of Dover or Dover Strait, is the strait at the narrowest part of the English Channel, marking the boundary between the Channel and the North Sea, separating Great Britain from continental Europe. 

North Channel 

The North Channel is the strait between north-eastern Northern Ireland and south-western Scotland. It begins north of the Isle of Man, where the Irish Sea ends, and runs north-west into the Atlantic Ocean.