"IN-N-OUT, Mar Vista. Even though In-N-Out Burger is a chain and not unique to Mar Vista, it is still ABSOLUTELY considered a coveted jewel of the neighborhood. For those reading this who do not live on the west coast, you cannot visit California in general without experiencing the gluttonous goodness that is In-N-Out. With the simplest of menus, you will still always find a huge line to order and discover new secret menu items – like our old faithful, "animal style", mustard fried, or protein style."