The 1989 Family Circle Cup was a tennis tournament played on outdoor clay courts at the Sea Pines Plantation on Hilton Head Island, South Carolina in the United States and was part of Tier II of the 1989 WTA Tour. The tournament ran from April 3 through April 9, 1989.
Steffi Graf defeated Natasha Zvereva 6–1, 6–1
- It was Graf's 5th title of the year and the 43rd of her career.
Hana Mandlíková / Martina Navrátilová defeated Mary Lou Daniels / Wendy White 6–4, 6–1
- It was Mandlíková's 2nd title of the year and the 30th of her career. It was Navrátilová's 5th title of the year and the 286th of her career.