The Hawaii United Okinawa Association is a 501(c)(3) non-profit organization whose mission is to promote, perpetuate and preserve Okinawan culture. The organization is made up of 50 member clubs, whose combined member total exceeds 40,000 members. The Hawaii United Okinawa Association is a 501(3)c non-profit organization whose mission is to promote, perpetuate and preserve Okinawan culture. The organization is made up of 50 member clubs, whose combined membership exceeds 40,000 members. What we are known for and our biggest of event the year is the Okinawan Festival, traditionally held on the Saturday and Sunday of Labor Day weekend