Focus on East Oahu Audrey Wilson on June 3, 2015 Hanauma Nature Preserve presented ‘May Day at Hanauma Bay’ May 2 with games, crafts and more to get Oahu families excited about the marine life around them. EO-060315-hanauma may day4-TGrillo Image 1 of 3 Ryan Wong proudly shows off the fossil he made.