I've been to Cosmos Cafe a couple of times now. Cosmos Cafe IS NOT at the Reston Metro Station - regardless of what a previous reviewer claims. It is in the general area - but according to Google...

Went up expecting breakfast at 1pm which was entirely our fault because they close breakfast at 11. But the worker still served us two breakfast sandwiches which was really yummy. And he was nice....

TLDR; Place is great, I come here a lot since my gym is so close and it has good prices. PARKING: There are guest spots before the gate. Service amazing, very nice people. Never waited more...

Yummy spot! Enjoyed their iced chai latte and had a slice of lemon pound cake. The cake was a bit too dry and dense. Service was great - kind & helpful! Tons of options on the menu so I can't...

If you're a fan of yummy, cheap eats you'll like this place! I think it's family owned--the staff here are amazing, super friendly. I highly recommend their spicy chicken & breakfast sandwiches