Some of the dogs went on the board by themselves, with their owners in the water watching on.
They were also plenty of cameras around capturing the epic event.
The eventual winner was an Australian Kelpie called Abbie Girl, who also snowboards and is a viral sensation on YouTube, where her GoPro-based channel has had more than two million views.
To watch the dogs in action at the competition, watch the video below.
Do you know anyone whose dog could surf? Share the story with them to let them know about these fascinating dogs!