Windsurfing on Kauai isn't nearly as popular as it is on Maui but Anini Beach Park is the place if you're going to windsurf or play the spectator. Rentals and lessons are available from Windsurf Kauai (808/828-6838). Lessons run $85 for three hours; rentals run $25 for one hour, $65 for three hours. The instructor will meet you on Anini Beach.