News Kailua's Kawai Nui Marsh Designated 'Wetland of International Importance'-First In Hawaii, Only 22nd In Nation By Hawaii Reporter - February 3, 2005 0 1024 FacebookTwitterPinterestWhatsApp article top The U.S. Fish and Wildlife Service designated on World Wetlands Day, February 2, 2005, the wetlands of Kailua, Oahu, known as Kawai Nui/Hamakua Marsh Wetland Complex, a Share this:TwitterFacebook Comments comments inline bottom