Hawaii - Rock

 It is a well known belief that when you visit Hawaii, avoid bringing rock, sand or other natural materials back from the islands as it will brings bad luck until the native elements are returned.

Hawaii - Wallet

It is considered bad luck to give an empty wallet or purse as a gift, because if you do, it will cause financial difficulties to the one receiving the wallet. It is advisable to include some amount of money in the wallet before giving it to someone.

Hawaii - Banana

From the old tale, the Hawaiian believe that bringing bananas on a boat will bring bad luck to fisherman such as no catch and other bad things imaginable. Due to this superstition, most chartered boat captains will not leave the dock if you bring any bananas with you onboard.