After retiring from music, Slick began painting and drawing. She has done many renditions of her fellow 1960s musicians, such as Janis Joplin, Jerry Garcia, and others.
Slick has been married twice—to Gerald “Jerry” Slick, a cinematographer, from 1961 to 1971, then to Skip Johnson, a Jefferson Starship lighting designer, from 1976 to 1994. She has one child—a daughter, China Wing Kantner (born January 25, 1971). China’s father is the former Jefferson Airplane guitarist Paul Kantner, with whom Slick had a relationship from 1969 to 1975.
From 1958-1959, Grace Wing (Slick) was a student at The University of Miami.