Hawaiʻi County lists Panaʻewa Park Gym with six pickleball courts; the county pickleball page says all courts require players or organizers to provide nets and sometimes lines, with some courts reservation-required.
Hawaiʻi County lists Aunty Sally Kaleohano’s Lūʻau Hale at the Hoʻolulu Complex with weekday office hours and reservation/maintenance context; confirm any court or open-gym use before leaving.
Hawaii County park page lists Hoʻolulu Complex with outdoor tennis courts, pickleball courts, restrooms, ADA accessibility, and office hours Monday-Friday 6:30 AM-3:15 PM. County pickleball page lists Ho‘olulu Outdoor Courts with four painted-line pickleball courts and park hours 7 AM-8 PM unless approved for later use.