
1) Island of the Cook Islands
Found on
https://www.crosswordclues.com/clue/tuanaki

Tuanaki or Tuanahe is the name of a vanished group of islets, once part of the Cook Islands. It was located south of Rarotonga and within two days sail of Mangaia. In 1916 the Polynesian Society of Honolulu published an account by a sailor who had visited there in 1842, spending six days among the natives. However this account added that two years...
Found on
http://en.wikipedia.org/wiki/Tuanaki
No exact match found.