A former name retained.
Dorothea was built in 1897 by William Cramp and Sons, Philadelphia, Pa.; purchased by the Navy 21 May 1898; and commissioned 1 June 1898, Lieutenant Commander W. J. Bernette in command.
Dorothea put to sea from Philadelphia 14 June 1898 and patrolled from Key West to Havana, Cuba, until returning to Hampton Roads 28 August. She was placed out of commission 20 September and remained at Norfolk Navy Yard until January 1900 when she was taken to League Island. There she was briefly in commission from 1 to 24 October 1900. In May 1901 she was loaned to the Illinois Naval Militia and was taken through the St. Lawrence River to Chicago. In 1909 she was transferred to the Ohio State Militia and was based at Cleveland. She was placed in full commission there 20 April 1917 following American entry into World War I and sailed 2 July for duty on the east coast.
Arriving at Key West, Fla., 10 August 1917, Dorothea patrolled in Mexican waters and along the southern coast of the United States until 1918. On 8 January she sailed from New Orleans for Havana, Cuba, where she served in the instruction of Cuban naval officers, returning to Key West for stores and repairs occasionally. From 13 November 1918, Dorothea served as a transport in Cuban, Puerto Rican, and Dominican waters, operating briefly under the command of the military governor of Santa Domingo. She arrived at New Orleans 30 May 1919, was decommissioned 23 June 1919, and was sold 20 November 1919.