 They reached the Polynesian islands of Samoa and Tonga by around 900 to 800 BCE.This remained the furthest extent of the Austronesian expansion into Polynesia until around 700 CE, when there was another surge of island colonization.They reached the Cook Islands, Tahiti, and the Marquesas by 700 CE; Hawaii by 900 CE; Rapa Nui by 1000 CE; and New Zealand by 1200 CE.