USS Arizona is free but u pay $1 each ticket for service fee and takes the boat over , full experience is arizona, and uss Missouri, the submarine, and the aircraft field. All of that could be 8 hours to see everything. We bought tickets for Missouri and Arizona and planning about 6 hours to not rush anything. Just depends how long you want to spend. We are flying in early to have two days in Honolulu and ovation has a later all aboard , so depending on Brillance all aboard you could see some of Pearl Harbor Check out recreation dot gov for breakdown on visiting it helped us choose which tours and how long we want to spend there for the day.