Back in the day when they were filling in the swamp to make Waikiki, they envisioned ala moana beach park as the expansion area - actually it has a much better beach but a lot of what goes on off the sand in kiki is not possible along the shoreline due to the reef. another option is to expand in the direction of diamond head by doing something with the natatorium, same problems with sand on that side. one thing for certain, tourism is going to profoundly expand over the next decades.....start thinking Asia not just Japan.....