Share 'Solid 3.5+ player. Looking for similar/better while in Waikiki 04/11-04/21'

Vacationing in Waikiki 04/11-04/21 and looking for some tennis action while I'm here. Judging from the maps, looks like the closest courts to me are at Diamond Head and Kapiolani Park. Ala Moana courts are a possibility too, but since I'll be hoofing it most of the time, I'll need to figure out a bus route there. Looking to play mid to late mornings, possibly afternoons on some days as well. Chee…