Tongan Team of swimmers are the first Tongan swimmers to ever compete in this 22.3km distance.
They will be competing against teams from NZ and Samoa, and the event will also have International solo swimmers.
The event is said to be the longest Ocean Swim in the Southern Hemisphere and they are the youngest team ever to compete in such an event.
They are also the first youngest Tongan swimmers to ever swim this distance as a team.
The team started the race morning.