She lay off the bitterly contested island unloading cargo and receiving casualties until 25 February when she sailed for Saipan, arriving 5 March.
She sailed to Espiritu Santo to embark Army troops, and carried them by way of Saipan to Ulithi, staging point for the invasion of Okinawa.
Loading two new LCMs at Guam, she got underway for San Pedro Bay, Leyte, arriving 29 May for duty training Army troops until the end of the war.
From 27 August to 6 October 1945 Darke made two voyages carrying troops from San Pedro Bay to Japan for the occupation.
Assigned to "Magic Carpet" duty returning servicemen eligible for discharge to the United States, she cleared Hiro, Honshū, 11 October, embarking passengers at Guam, Guadalcanal, and Nouméa and arriving at San Francisco 18 November.