Looking for best seafood restaurants in Buenos Aires? Argentina is steak-famous, but the capital still has serious marisquerías and River Plate fish rooms — especially when menus name merluza, brótola, corvina, or shellfish platters.
Companion: [How to choose a seafood restaurant](/blog/2026-08-12-how-to-choose-a-seafood-restaurant) · [Best fish for grilling](/blog/2026-08-12-best-fish-for-grilling) · [Best fish for frying](/blog/2026-08-18-best-fish-for-frying). Live: [Buenos Aires directory](/fish-restaurants/argentina/buenos-aires) · [Argentina hub](/fish-restaurants/argentina).
Species: [Atlantic cod](/fish-guide/atlantic-cod), [squid / calamari](/fish-guide/squid-calamari), [mussels](/fish-guide/mussels).
Ratings reflect FishRestaurants.com guest scores at writing time.
Buenos Aires seafood quick shortlist
| Mood | Go here | Why | | --- | --- | --- | | Seafood-led room | Puerto Cristal | Strong scores, fish identity | | High-volume classic | La Conga-conga) | Institution-level traffic | | Modern dining | Villegas Restó | Top guest rating | | Spanish-leaning | El Español | Mariscos-friendly naming | | Plaza atmosphere | Plaza Mayor | Central seafood option |
Top-rated Buenos Aires seafood restaurants
Puerto Cristal
[Puerto Cristal](/fish-restaurants/argentina/buenos-aires/puerto-cristal) · 4.6 (14,700+ reviews)
One of the clearest best seafood Buenos Aires picks in our directory — name and reviews skew mariscos.
Order: mixed seafood platter or grilled whole fish if the board names the species.
Best for: visitors who want fish without leaving the capital.
La Conga
[La Conga](/fish-restaurants/argentina/buenos-aires/la-conga) · 4.5 (29,900+ reviews)
Massive local institution — scan for seafood mains amid the broader menu.
Order: fried calamari starter, then grilled fish as the main test.
Best for: classic Buenos Aires dining energy.
Villegas Restó
[Villegas Restó](/fish-restaurants/argentina/buenos-aires/villegas-rest) · 4.8 (19,700+ reviews)
Highest guest score in this shortlist — check daily fish and shellfish specials.
Order: chef’s seafood special if offered.
Best for: special dinners with strong service.
El Español
[El Español](/fish-restaurants/argentina/buenos-aires/el-espa-ol) · 4.3 (22,100+ reviews)
Spanish-Argentine crossover — good for mariscos formats and rice dishes.
Order: paella-style seafood or grilled fish with simple sides.
Best for: groups and traditional rooms.
Plaza Mayor
[Plaza Mayor](/fish-restaurants/argentina/buenos-aires/plaza-mayor) · 4.3 (11,800+ reviews)
Central option when you need seafood among mixed diets.
Order: fish of the day; avoid anonymous breaded fillets if unnamed.
Best for: downtown logistics.
What to order in Buenos Aires
- Merluza / hake — mild white fish, fry or bake
- Calamari — starter test (squid guide)
- Mussels — if the kitchen runs a busy marisquería section
- Grilled corvina-style fish — when whole and named
- Seafood rice — Spanish-Argentine influence
FAQ: best seafood Buenos Aires
Is Buenos Aires good for seafood?
It is good for urban marisquerías, not Atlantic port same-day culture. Pick named fish and seafood-led rooms like [Puerto Cristal](/fish-restaurants/argentina/buenos-aires/puerto-cristal).
Where should first-timers eat seafood in Buenos Aires?
[Puerto Cristal](/fish-restaurants/argentina/buenos-aires/puerto-cristal) or [Villegas Restó](/fish-restaurants/argentina/buenos-aires/villegas-rest). Browse [Buenos Aires listings](/fish-restaurants/argentina/buenos-aires).
Buenos Aires or Mar del Plata for seafood?
Mar del Plata is the coastal specialist; Buenos Aires wins for capital-city shortlists in our directory today.
*Last updated: August 2026. Ratings and hours change — confirm on each restaurant page.*