Mariscos La Riviera Estilo Milpas Viejas Nayarit Castañeda's Mexican Food is the Number 1 seafood restaurant in San Diego. At this seafood restaurant you will find the best of Nayarit's gastronomy, especially from Milpas Viejas, a picturesque town near the municipality of Tecuala. You will also experience these amazing flavors with live entertainment and events. This is the perfect place for the whole family to try unique seafood prepared with fresh, top-quality products.