"Shelter" departed Nagasaki on 26 September 1945 for repairs at Sasebo, then spent 11 to 17 October sweeping 83 Japanese mines in the Tsushima Strait. She repeated this operation 1 to 12 November, sweeping 69 more mines; then became reference ship for a unit of three Japanese Coastal Defense ships sweeping shallow mines line southeast of Tsushima until 16 November 1945. She joined Mine Squadron Twelve on 27 November acting as reference ship until completion of sweeping operations in Tsushima Strait on 4 December 1945. She departed Wakayama, Japan, for home on 11 December touching Eniwetok, Pearl Harbor, and San Diego, where LT JG Samuel F. Melcher Jr assumed command on her way to Galveston, Texas, arriving on 3 February 1946. She shifted to Orange, Texas on 5 April, was decommissioned there by Lt (Jg) John Redmond on 7 June 1946, and placed in the Texas Group, United States Atlantic Reserve Fleet. "Shelter" received six battle stars for service in World War II.