Hey Ula guidesHonolulu travel guidesHomeGuidesNorth AmericaUnited StatesHawaiiHonoluluHanauma Bay free at 12 and under, Diamond Head hike facts and TheBus youth fares.Family travelHonolulu · With kidsHonolulu with kids: things to doHonolulu with kids: Hanauma Bay free at 12 and under, Diamond Head hike facts, TheBus youth fares and a month-by-month weather table.