World-renowned surfer and skateboarder Kalani David has died at the age of 24

He was riding the waves of Costa Rica when he died

Kalani David died of a stroke

Kalani David had a disease known as Wolff-Parkinson-White syndrome.

Kalani David was born with Wolff-Parkinson-White syndrome

In August 2016, he had a stroke while surfing in California.

Even though he had heart surgery six years ago

David started surfing as a form of skateboarding since childhood.