This is primarily for the safety of guests, and is a common policy at large venues like sports arenas and concert venues. It’s illegal to drink from cans or glass bottles while strolling down Fremont Street. However, before you grab that bottle of booze and dance your way through the city like it’s nobody’s business, take note: Cans and bottles aren’t allowed. As long as you’re of legal age, drinking outside is allowed. Feel Free to Drink Outsideĭreams really do come true. Aside from that, here are eight tips to keep in mind when visiting downtown Las Vegas for the first time: 1.