The new gunboat sailed for Hampton Roads, Virginia, 2 October and joined the North Atlantic Blockading Squadron there on the 8th.

The first assault made on Christmas Eve was unsuccessful, but the Union ships returned 13 January 1865 and shelled the southern stronghold while troops were landed.

They supported the Union ground forces during a 2-day campaign which carried the Confederate works on the 15th, closing the vital southern port.

In March, when the Confederate capitol of Richmond, Virginia, fell, Maumee was one of the vessels assigned occupation duty along the waterfront.

After the war, Maumee sailed to Philadelphia, Pennsylvania, where she decommissioned 17 June 1865 and was sold to a Mr. Landstein of Hong Kong 15 December 1869.