There are quite a few accessible rooms in Rapa Nui. I've been told that another building has a few and on these boards I think I've read that Tokelau might be that building.. At any rate, the rooms look the same as any others in the newer, larger buildings. They do have a lower peephole and a flashing alert thingie. The rooms are large enough to have both a walker and a wheelchair along the wall by the connecting door.
The big difference is in the bathroom. We've had two different configuations...one with a bath with bars and the other type has no tub but a roll-in shower. The bathroom has the lavoratory against the wall and no partition for the water closet....just one large room. Our DD finds it a good layout. I hope they add an accessible room or two to Hawaii when they renovate it.
There is a parking lot directly outside the doors of Rapa Nui which is wonderfully handy.