Part of the answer is that there is no current flow 'through' the Persian Gulf, which is connected by the narrow Strait of Hormuz to the Indian ocean.
There are rivers that empty into it, notably the Tigris and Euphrates (which combine as the Shatt al-Arab), adding sediment that over time has reduced the coastal depths of the already-shallow gulf. (Average depth just 50 meters or 164 feet.)
The Aleutian Islands comprise the archipelago off the western Alaska coast.
The Channel or Santa Barbara Islands
The small group of islands off the west coast of Ecuador above Peru are the Galapagos Islands.
the islands are Australia,Asia and lots of others
Ryukyu islands
poda pati is the reasons why the western coast of Arabian gulf to have a big number of islands.
There are not many islands along that coast of the Arabian Gulf. Apart from a few islands (mostly tiny) along the coast of the United Arab Emirates there is hardly an island to be found on that side.
The Aleutian Islands comprise the archipelago off the western Alaska coast.
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The Aleutian Island Chain is the name of the islands off of the South Western coast of Alaska.
The Canary Islands which are situated in the Atlantic off the western coast of southern Morocco.
PENGHU
In the Persian Gulf, off the coast of Dubai, one of the United Arab Emirates.
The Galapagos Islands ar located off the Western Coast of Ecuador in South America. They are a province of Ecuador.
In the islands and western coast of Asia Minor where the city of Troy was located.
The Western Isles are a group of islands off the north west coast of Scotland and are a part of Scotland. They are not separate countries.
The Galapagos Islands lie some 600 statute miles (1000 kilometers) or 521.38574 nautical miles off the coast of Western Ecuador.