Published: Jul 30, 2012 10:50 AM EDT
Updated: Jul 30, 2012 1:11 PM EDT

COLLIER COUNTY, Fla.- A 30-year-old man died over the weekend after his jet ski collided with another jet ski, off Keewaydin Island near Marco Island.

The cause of the accident is still under investigation by FWC.

The driver of the other jet ski was not injured. He jumped off his vessel before the collision.

The two parties knew each other.

The names of the parties involved will be released later.