You might have to check out the websites for the stores along the way. Not sure what time places like Walmart and Target close. I would check the ones in Kapolei first and work your way away from Aulani.
Yes, just about all the chain stores open until at least midnight. At that hour, I would avoid the stores in Waipahu, Ewa Beach (Ewa Gentry is ok), and anything west of Aulani.
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