USS Ottawa was commissioned in October, 1861, under Captain Stephens' command. It patrolled the waters off the Carolinas, Georgia, and Florida during the Civil War as part of the South Atlantic Blockading Squadron. During that time it assisted in operations against ships and land installations, including the capture of Forts Walker and Beauregard (Port Royal Sound, South Carolina) in November, 1861, the landing of troops at Warsaw Sound (Georgia) in January, 1862, and the capture of Fernandina, Florida, in March of that year.
From the description of Edward Hallam Saltonstall Collection, 1861-1862. (New-York Historical Society Library). WorldCat record id: 480058306