El Señor Martín is a Madrid restaurant built around a clear fish-first identity, with official sources describing it as a house focused on fish and seafood selected fresh each day. Current public verification confirms its General Castaños address, service hours, reservations contact, and strong recognition from current Michelin Guide and Repsol sources, making it one of the city’s most seafood-specialized dining rooms.

Quick facts
- Best for: serious fish-focused dining, seafood enthusiasts seeking a specialized kitchen
- Known for: A fish-only identity, carefully sourced daily product, and current Michelin Guide and Repsol recognition.
- Hours: Tue-Sat 13:30-23:00; Sun-Mon closed
- Price range: €€€€
- Phone: +34 91 795 71 70
Why it ranks
El Señor Martín ranks this highly because its seafood focus is unusually explicit, its official details are current and easy to verify, and major public recognition sources reinforce the quality signal. For diners who want a restaurant whose identity is built primarily around fish rather than a broader Mediterranean menu, it is one of Madrid’s clearest top-tier options.
Location and links
- Address: Calle del General Castaños, 13, 28004 Madrid
- Official website
- Call
Service area and category
- City: Madrid
- Country: Spain
- Category: Restaurant
Editorial summary
El Señor Martín is a Madrid restaurant built around a clear fish-first identity, with official sources describing it as a house focused on fish and seafood selected fresh each day. Current public verification confirms its General Castaños address, service hours, reservations contact, and strong recognition from current Michelin Guide and Repsol sources, making it one of the city’s most seafood-specialized dining rooms.