ARABIAN SEA, (July 26, 2026) - A MH-60R Sea Hawk delivers supplies to guided-missile destroyer USS Mason (DDG 87) in the Arabian Sea. (Photo via DOW). SOT Staff - The Persian Gulf runs through the Strait of Hormuz into the Gulf of Oman which empties into the much larger Arabian Sea in which all regional ocean traffic gathers to enter and exit past Iran in those narrow waterways.