Strait of Hormuz Strait of Hormuz The Strait of Hormuz ( "Tangeye Hormoz" ) 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. On the north coast lies Iran, and on the south coast the United Arab Emirates and Musandam, an exclave of Oman. At its narrowest, the strait has a width of . About 20% of the world's petroleum (about 35% of the petroleum traded by sea) passes through the strait, making it a
Quoin Island (Persian Gulf) Quoin Island (Persian Gulf) Quoin Island (also known as "As Salamah Island" and "Great Quoin Island") is the largest of three islands of the As Salamah Archipelago. It is the northernmost landmass of Oman and the traditional "way point" used by ships to define the entrance or exit from the Persian Gulf. Once a ship is declaired a position of "Passed Quoin Inbound" the insurance rates for the ship will increase. The island has a triangular outline, is about 770 meters long and up to 530 meters wide, yielding an area of about 22 hectares. Quoin Island, Oman, is not