AOK Watersports. Kiteboarding has already taken coastal communities by storm. On Tybee Island, you too can learn to kiteboard (on land or in the water) from certified instructors at AOK. Lessons begin at $100 per hour. AOK also offers gear rental to experienced riders. The online shop carries beachwear, sunglasses, and sells top adventure sport gear for kiteboarding, skateboarding, longboarding, paddleboarding, and even snowboarding. 1510 Butler Ave., Tybee Island, Georgia, 31328. 912/786–8080; www.aokwatersports.com.