The Persian Gulf Sight is a term used to describe the view of the Persian Gulf from the shore. The term can also refer to the large number of tankers, oilers, and otankers that are seen in the waters of the Persian Gulf. Tankers are large ships used to transport oil and other liquids, while oilers are smaller vessels used to refuel ships at sea. Otankers are specialized tankers used to transport oil and other liquids over long distances.