Costa Sigieri is a Porta Romana seafood restaurant whose official site describes it as a culinary project rooted in Sardinian cooking and the knowledge of the sea. Public menu and listing information show a fish-forward proposition with raw starters, seafood fregola, clams and bottarga, grilled squid, lobster Catalan-style, mixed grilled fish, and fried seafood. It is a credible modern specialist for diners seeking Sardinian-leaning seafood in a calmer neighborhood setting.

Quick facts
- Best for: Sardinian-style seafood, seafood in Porta Romana
- Known for: Sardinian seafood cooking, raw starters, seafood primi, grilled fish, and Catalan-style lobster.
- Hours: Daily 12:15-14:30 and 19:15-23:30
- Price range: €€€
- Phone: +39 02 8568 2152
Why it ranks
Costa Sigieri ranks because the seafood identity is both stated and menu-level verifiable: the public menu shows raw fish, seafood primi, and dedicated fish secondi in depth, while the restaurant’s own messaging ties the concept to Sardinian sea cooking. It is not as historically central as the older institutions above it, but it is a legitimate specialist worth including.
Location and links
- Address: Via Sigieri 10, 20135 Milan, Italy
- Official website
- Call
Service area and category
- City: Milan
- Country: Italy
- Category: Restaurant
Editorial summary
Costa Sigieri is a Porta Romana seafood restaurant whose official site describes it as a culinary project rooted in Sardinian cooking and the knowledge of the sea. Public menu and listing information show a fish-forward proposition with raw starters, seafood fregola, clams and bottarga, grilled squid, lobster Catalan-style, mixed grilled fish, and fried seafood. It is a credible modern specialist for diners seeking Sardinian-leaning seafood in a calmer neighborhood setting.