The Kingdom of Tonga is a beautiful unspoilt Pacific paradise and every year, between July and October, majestic humpbacks whale return with their calves from feeding in Antarctica, to Tonga’s warm waters where the calves were born the previous season. Tonga is one of the only places in the world where you can swim with humpbacks and, eco operator, Majestic Whale Encounters, has been running responsible whale swim holidays in Tonga for the past six years.