The SS Arosa Star was a cruise ship which was built in the United States in 1930 and grounded on the California coast in 1970. Originally called the Borinquen (7 114 grt 429 ft long) the ship was built in 1930 at the Bethlehem Shipbuilding Corporation of Quincy Massachusetts and launched near the end of September. She began her working career on runs between Puerto Rico and New York until 1949. During World War II she was drafted as a military transport.