Obviously doesn’t count… but craziest place almost surfed was wave pool outside of Kuala Lumpur, Malaysia; on business trip last month, stayed at Sunway Lagoon Resort Hotel, was looking forward to the “World’s Largest Man-Made Surf Beach, backed by the World’s Largest Wave Churning Machine - Capable to churn out perfectly shaped waves up to the maximum height of 8 feet”… alas when I was there it was closed for repairs…

http://www.sunway.com.my/lagoon/waterpark.asp