Question: Which of the following statements correctly describes a shoreline feature? Need Assignment Help? A spit is a drop in ocean depth across the mouth of a bay. It is caused A baymouth bar is a special type of barrier island that completely when ocean currents carry sand from these areas out to sea. closes off a bay. A tombolo is a long, flat strip of sand that connects an island to the A barrier island is a sandbar that is separated from the mainland by mainland. water.