Run by Iván de la Peña’s parents
Peñucas is one of the best-known seafood restaurants in the fishing district of Santander. Aside from its excellent quality, it's also run by the family of football player Iván de la Peña. They specialize in Cantabrian products like seafood prepared in a variety of ways.
I recommend trying the fresh seasonal products (just ask the waiter), as these are the tastiest. The quality of the ingredients is very good, and the prices are appropriate. The house menu with seafood paella was around 15€.
It's a typical fisherman-style joint; the decor is simple and the walls are covered with