Duke Kahanamoku OceanFest: Opening Ceremony on Friday, August 14, 2026 at Duke Kahanamoku Statue, Kuhio Beach (Outdoors). Cost: Free (open to the public). Best for: preschool, school-age, tween. Opening of the 11-day Duke Kahanamoku OceanFest in Waikiki, honoring Duke Paoa Kahanamoku. A procession l