There is no one at the gate scanning. There is a band reader that is supposed to unlock the gate. You then pull up the top knob to open it. However, while we were there this past week it was not working so all anyone had to do was pull up the knob.
Quiet pool closed on 4/16. Quite frankly, it is not a quiet pool anyway with all the construction around it. The lava pool got a little crowded late in the day so we opted to go to the quiet pool on our way back to Moorea and we left after about 10 mins.