For sure, the apres-ski is half the fun. There are a few good bars along the main strip, but a lot of the nightlife action ends up centered around the bigger entertainment complexes. One spot that gets mentioned a lot for having a good bar, restaurants, and also a casino if you're feeling lucky. You can check out their website to see if the vibe matches what you're looking for for the best bar and evening hangout in Gudauri
https://casinogudauri.ge/ .