We are also on that flight. I explored taking some early tours but most did not start until 9:00. We had two options. You can use the Intercontinental facilites for the day for about $ 90 per perosn if you also commit to eating lunch there. This means the pool, watercraft etc and you can take a shower. We finally opted to get a room from 7:00 to 3:00. We needed to go back and forthwith them because they orignially wanted to charge us for two nights since Check-out time is 11:00 am and check in time is around 3:0. We opted to get the room so we could gt a quick nap because the flight itself and the seats were not conducive to sleeping on the way over.
If you do not want to go the hotel route and can find a place to store yoru luggage, they have a great farmers market in downtown Papette which is within walking distance of the ship. Saturday is the day most of the locals come to this market from all over the island. In additilon, there are many other other shops that surround the big warehouse type builidng.
If you want to rent a car, there are some beautiful waterfalls about 45 mintues out of town and some nice views of Moorea in the distance.
Last year when we got the day room for the last day we ended up not getting much use of it. They take you on a tour and you do not get to the hotel untel around 3:00 and then you have to ready to go to the airport around 9:00. We decided to go home on the late Friday night flight since we had already done the Papette tour.