Though their trip has not been confirmed by the palace, People cites local news reports as confirmation that the royal couple landed in the Indian Ocean republic on Thursday.
No one is sure whether Prince George, now 7 months old, made the trip, though he will definitely accompany his parents to Wellington, New Zealand, on April 7. They'll then tour six more cities in New Zealand and six in Australia.
The trip marks Middleton's second vacation this year -- she visited the Caribbean island of Mustique for her mother's birthday celebration last month.
Notable deaths of 2014 [PHOTOS]