McCarran International Airport (LAS) in Las Vegas – Smoking is permitted in the Budweiser Racing Track Lounge in the Esplanade Pre-Security area, enclosed slot-machine lounges (B, C, D, and E Gates), and designated outdoor areas near ticketing and baggage claim. see maps here https://www.mccarran.com/Smoking note however that it's more healthy ti not smoke. unfortunately in this airport everything stinks tobacco (just like in many of the casinos). it is a health danger
There is a smoking area by gate C25, near Hudson news
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