Hi there
Just clarify, there ARE Vegan-friendly places on the Strip -- for one thing, when Steve Wynn turned vegan, he insisted ALL restaurants on his properties -- even SW Steakhouse! -- add vegan dishes to their menus. Our Dining search is currently not optimal for a number of reasons and it does not distinguish between vegetarian-friendly and vegan-friendly, but if you click through to the profile page for any restaurant on that list, it will explain in the notes if it's vegan-friendly. We'll fix this to make the distinction clear on our new site -- too complicated to fix it now, when we'll only be in this environment for a little while longer.
Aside from Wynn/Encore, I can recommend Veggie Delight (pan-Asian, just west of the Strip at Spring Mtn. and Wynn); Veggie House (Chinese -- just ate there and it's great -- all veggie/vegan menu); Komol (Thai - not far off the Strip on E. Sahara -- great food and one of the most extensive veggie/vegan menus in town), Pura Vyda (all strictly vegan -- restaurant and bakery downtown, close to Little Darlings strip club!); Ronalds Donuts (all-vegan bakery just west of the Strip on Spring Mtn.); Bar + Bistro (downtown in the Arts District on E. Charleston) has a full vegan tapas menu; Greens & Proteins (Henderson) is owned by the resident vegan chef for Wynn Resorts and includes lots of "raw" foods on the menu; Mint Indian Bistro (not far off the Strip on E. Flamingo) has an extensive vegan menu, and even vegan and gluten-free beers! The food there is great -- made the "Essential 50" list in the 2013 edition of our Eating Las Vegas guide and they have a great-value lunch buffet daily, which always includes vegan options; Go Raw Cafe has 2 locations, one on the east and one on the west (all raw food, all the time -- hardcore!); and Sammy's Woodfired Pizza chain (5 locations in the Vegas Valley) has guaranteed vegan (and gluten-free) menu items. Hope this gives you some ideas -- you'll find them all on that list of Veggie/Vegan-friendly restaurants that Tanya referred to: https://bit.ly/Yd0NJD