Https://upload.wikimedia.org/wikipedia/commons/a/aa/Pacific_Culture_Areas.png800 square kilometers. Kiribati is well known worldwide for its spectacular scuba diving and fishing. The largest atoll (and certainly one of the largest on this planet) is Kiritimati (or Xmas) Atoll , it's got a land area of 150 sq. miles (388 square km) and accounts for nearly half http://Cloverjuice.com