Kelly Slater Siblings: Meet Sean Slater, Stephen Slater
Lily Fisher
Published Feb 27, 2026
Kelly Slater is an American professional surfer, best known for being crowned World Surf League champion a record 11 times. Slater is widely regarded as the greatest professional surfer of all time.
He was born on February 11, 1972, in Cocoa Beach, Florida, United States.
Slater grew up in Cocoa Beach, Florida, where he still lives. He is the son of Judy Moriarity and Stephen Slater.
After turning professional in 1990, Slater struggled during his first two years on the professional tour and was 43rd in the world rankings those years.
In 1992 he secured podium (top-three) finishes in three of his first five events before winning his first professional tour event, the Rip Curl Pro, in France.
He has two brothers, Sean and Stephen, and a daughter, Taylor, born in 1996.
Slater historically and exclusively rode Channel Islands Surfboards equipped with his signature series of FCS fins.
As the media hype grew around Slater’s lack of board stickers in 2015, Slater had been seen riding unlabelled Firewire surfboards, acquiring the company in 2014.
Kelly Slater Siblings: Meet Sean Slater, Stephen Slater
Sean Slater and Stephen Slater are Kelly Slater’s siblings.
Although Kelly’s siblings have been identified their detail are unknown.