Go Oahu card, that allow you to enjoy admission to more than 30 attractions and activities in Oahu for one low price, is currently on Sale for Memorial Day weekend.
The 3-5-7 days Go Oahu passes are 10%-15% off.
3 days pass – $ 175.49
5 days pass – $ 212.49
7 days pass -$ 254.99
Check Go Oahu Card website for the sale.
Also, use this code for free in-city pick up FREEUSPICKUP