Hilo offers eight courts in Hoolulu and three are both indoors and lighted, Lincoln Park has four lighted courts. On the Kona side, Old Airport Beach Park has four lighted courts, and a number of other schools have courts. So do all of the big hotels if you're a guest. Watch it in Hilo, as when its very hot and humid it's easy to get heat stroke. Kona, with higher temperatures and less wind and wet, can be a problem too.
Locals play a lot at first light or at night.