Good tapas place off the strip. It's a really short taxi ride/drive from the Wynn end of the strip so don't be afraid to deviate from the main strip. They offer free valet here too so it's convenient if you have a car.
We went with a fairly large party of 9 and our waiter advised us to just order a few tapas at a time in rounds. They come out fairly fast so you don't have to be afraid of waiting that long. For the most part, he was correct, except our party was pretty hungry and scarfed up every plate almost immediately after they came to the table.... so if your friends are a pack of ravenous dogs like mine, you can order more at a time.
We ordered:
Mixed Paella (one order is good for about 4-6 people)- nomskies. Legit Spanish cuisine.
Ahi tartare + avocado- standard dish you can't really go wrong with
Bacon wrapped stuffed dates- I don't normally care for dates but this was like CRACK. So good. Nice balance of salty and sweet. It's really small though, like 5 dates on a plate and one date per person is not enough
Fries- good but also forgettable
Lamb shank? Thigh? I forget which part but it was good. 2 pieces only.
Mac and cheese- nomskies in all it's creamy goodness
Stuffed mushrooms- nomskies, I'd get it again
Some kind of stewed veggies + egg- meh I'd pass on that one
I can't remember what else because it just kept getting passed around the table rather quickly.
My other advice to you would be GET THE RED WINE SANGRIA. It's a little on the sweeter side but I think everyone can appreciate it, even those who don't care for sweeter tasting wine.
"Take this all of you and drink it. This is the cup of my blood which will be given onto you and to all so that your sins may be forgiven."
If Jesus was talking about the Firefly red wine sangria then I'd be downing that all day and all night... like a mofkn sangria vampire or something.
Okay that's my advice, you heard it, enjoy your time in Vegas!!! :)