Following repairs, "Remey" completed an escort run to San Francisco and back, then screened to Majuro. There, from 9 to 29 April 1944, she escorted submarines in and out of the area. Returning to Pearl Harbor on 4 May, she escorted aircraft carriers on exercises in Hawaiian waters and on the 31st got underway for the Mariana Islands. Stopping en route at Kwajalein, she arrived off Saipan on 14 June and with Fire Support Unit I commenced firing on the island. Closing to , "Remey" was straddled by shore battery fire, but her return fire destroyed two of the offending batteries. The next morning, while screening off Tinian, she destroyed three more guns. In the afternoon, she shelled Saipan and throughout that day and the next continued counterbattery fire. On 17 June, she provided gunfire support for the troops on Saipan, then on 18 June returned to the battleships and remained with them through the aerial attacks of the Battle of the Philippine Sea. On 22 June, she resumed shore bombardment duties and shelled enemy troop concentrations and supply dumps. Through June–July, she remained in the area, continuing her support for operations on Saipan and extending it to ground forces fighting on Tinian after 24 July.