To get to the islands, you will need to fly to Faa’a International Airport. The check-in marina is a further 1 hour 'hopper flight' from the main airport. Raiatea Airport (RFP) is the closest airport to the starting marina. You will need to fly via Faa’a International Airport (PPT) to get there.
For the short flight from Papa’ete to Raiatea we recommend using Air Tahiti.
There is also a ferry from Papa’ete to Raiatea. Please see here for the timetable.