A surfer rides the machine-made wave at Wavehouse in San Diego.

Some of surfing's biggest names aren't just catching waves. They're also talking about making them.

Surf parks—massive pools with repeating, artificial waves—are the latest buzzword in the surf community, as everyone from top athletes to retailers look for ways to expand the sport, boost sales and create a standardized way to train that could help surfing earn an Olympic pedigree.