The owner of the hotel in Pamplona where Jake and his friends, as well as the best bullfighters, stay. He tries to protect Romero's integrity and values the pure passion of the aficionados (those who are truly appreciative and knowledgeable about bullfighting) over everything else, which is why he shares a special bond with Jake.
The The Sun Also Rises quotes below are all either spoken by Montoya or refer to Montoya. For each quote, you can also see the other characters and themes related to it (each theme is indicated by its own dot and icon, like this one: Note: all page numbers and citation info for the quotes below refer to the Scribner edition of The Sun Also Rises published in 1954.).
Chapter 13 Quotes
Those who were aficionados could always get rooms even when the hotel was full. Montoya introduced me to some of them. They were always very polite at first, and it amused them very much that I should be American. Somehow it was taken for granted that an American could not have aficion. – Jake
The timeline below shows where the character Montoya appears in The Sun Also Rises. The colored dots and icons indicate which themes are associated with that appearance.
...the central square is being prepared for the fiesta. The others have already arrived at Montoya's hotel. It's clear that Montoya does not think much of them. Jake and Montoya begin... (full context)