Costello Río, American restaurant near Manzanares River, Madrid, Spain
Costello Río is an American restaurant near the Manzanares River in Madrid, serving hamburgers with teriyaki sauce, Greek-inspired options, bagels, and appetizers in a modern setting. The kitchen stays open throughout the day to accommodate different meal times and guest preferences.
The restaurant opened in 2012 through a connection with Costello Club, introducing international dining to the Arganzuela neighborhood. This link shaped how the space developed and the menu concepts it adopted.
The space draws from American dining culture but adapts to Spanish meal schedules, welcoming guests throughout the day for breakfast, lunch, and dinner without interruption.
The restaurant is located at Plaza General Maroto 4 and accepts reservations to secure a table. Extended weekend hours until midnight make it accessible for late evening visits and gatherings.
The menu features hamburgers with distinctive names like Big Kahuna and Gran Cajuna alongside Mediterranean starters such as hummus and roasted eggplant. This blend of naming styles and ingredient sources reflects how the kitchen creates unexpected flavor pairings.
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