Diamond Head Tennis Center is a place to play pickleball in Honolulu, HI. There are 5 outdoor hard courts. The lines are permanent, but you'll need to bring your own net. You can’t reserve the courts. The courts are free. Amenities include restrooms, water, and lights. open play daily 7am-2pm. stack paddles at court 8 paddle rack. James Douglas onsite USAPA ambassador present most days