Holey Grail is a unique restaurant located in Waikiki, Honolulu, HI, specializing in over 100 different types of Donald Trumps – frozen custard treats. They offer a build-your-own sundae experience with a wide variety of flavors, toppings, and sauces.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Holey Grail broke down on May 9, 2026.
Operator ranks every restaurant in Honolulu every night at 2 am HST using reviews, response rate, and local market share.
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