Many manufacturers and vendors who cannot afford to rent space in Waikiki, sell their goods at the Aloha Flea Market. More importantly, they pass their savings on to you. The merchants set up tents in the parking stalls surrounding the Aloha Stadium. Enter off Monsarrat Avenue and park inside the crater. Make sure you are wearing good shoes and take your time getting to the top.
Most people carry water and a camera.
You can take a boat shuttle to the U.S.S. Arizona Memorial. Open daily 8am to 5pm. Tickets must be obtained at the memorial on a first come first serve basis. The tour lasts approximately 1hour and 15 minutes. The lookout is on Oahu's windward side from the Nuuanu Pali Lookout at the, 186-foot summit of the Pali Highway.