Oahu is home to the largest number of festivals and events in Hawaii. Each year, visitors have the opportunity to connect with the local community and experience renowned events that showcase the island's rich arts and culture scene, the world's top amateur and professional sporting competitions and championships, and the many ethnic celebrations that are exclusive to Hawaii.
- Aloha Festivals, the oldest and largest Hawaiian cultural celebration in the U.S., kicks off on Sept. 2 with the 2010 Royal Court Investiture and Opening Ceremony. The festival celebrates Hawaii's music, dance, and history, and is intended to preserve the islands' unique traditions. The 2010 theme is "Mele Ailana: Celebrate Island Music," and festivities include a Waikiki Hoolaulea on Sept. 18 and a floral parade on Sept. 25.
- On Sept. 10 from 5-9 p.m., Ala Moana Center will join the fashion capitals of the world in celebrating Fashion's Night Out with an evening of in-store events, special savings, gift-with-purchases, refreshments, live entertainment, and fashion galore. Spearheaded by Anna Wintour and Diane von Furstenburg, and headquartered in America's fashion capital, New York City, Fashion's Night Out is a way to enjoy fashion and fun, all while supporting local charities through store partnerships offering discounts and incentives for donations.
- During the third annual Haunted Lagoon at the Polynesian Cultural Center, guests embark on a spooky canoe ride that twists through the PCC lagoon under dark bridges and past ominous shadows where terrifying creatures await. A kid's version of the ride is also available. The Haunted Lagoon is open from Oct. 1-30.
- The Hawaii United Okinawa Association presents the 28th Annual Okinawan Festival, the largest ethnic festival in the state of Hawaii, from Sept. 4-5. A parade through Waikiki featuring entertainers from Okinawa and Hawaii kicks off the three-day festival at Kapiolani Park celebrating Okinawan culture with food, entertainment, arts, crafts, and cultural activities. On Sunday evening, all are welcome to cap off the festivities by participating in Hawaii's largest traditional Japanese Obon dance.
- From Aug. 12-14 the Polynesian Cultural Center will hold Te Manahua: Maori Song and Dance Festival. Witness the fierce strength and pride of the Maori warriors as they command attention with their melodic voices and passionate demonstrations of the traditional haka (male posture dance) and poi (dance with implements).

