You'll find many more great vegan places in Barcelona (or places with vegan options)
Some honourable mentions:
"Catbar" for a good cheap burger
"El café blue project" and "Petit brot" for raw vegans
"Brunch and cake by the sea" for the best cakes and brunch,
"Rasoterra bistrot vegetaria" and "El maderal" for tapas
"Bio bento", "The pans club", "Crudi", "Enjoy vegan", "Veggie garden" and so many more! Check them out on the vegan restaurant app "happy cow".