"Sharkey" returned to Guantanamo on 13 January 1926, and transited the Panama Canal on 4 February to participate in Fleet Problem VI off the west coast of Central America. She returned to Norfolk on 21 February and remained there undergoing overhaul until 23 April. On 17 June, she departed Newport with her division for Europe. She visited northern European ports between 29 June and 20 November 1926; then spent three months in the western Mediterranean and visited the eastern Mediterranean from 20 February to 7 May 1927. She next made a one-week cruise in the Black Sea, visiting Romania and Bulgaria before returning to Newport on 11 July 1927. She spent the remainder of the year in making naval reserve cruises and twice undergoing repairs at Norfolk.