The Hualapai Club was a men's social and service organization which also had private gaming for its members.
The location moved around to various sites. It's been placed on Hualapai Way, and within the Fremont, the Thunderbird, the El Cortez, and the Union Plaza.
There are references to the Hualapai Club being headquartered at one point in downtown Las Vegas in a 1959 Nevada State Journal newspaper article which did not give a specific location.