Nix Tapas & Drinks is highly praised for its exceptional food quality, with roughly 85% of reviewers describing their dishes as "fantastic," "amazing," and "delicious," frequently highlighting items like paella, seafood dishes, and Canelon de Rustido. Service at Nix is another highlight, with 80% of reviewers commending the friendliness and attentiveness of staff, particularly servers like Angel, Laura, and Leonora, contributing to a warm and welcoming atmosphere. Approximately 20% of reviews mention slow service or waiting times, especially during busy periods, though staff professionalism often compensates for these delays. The ambiance is described as cozy and inviting by nearly 90% of reviewers, aided by well-selected music and a charming setting, though a few mention it can feel cramped at peak times. Complaints about price and portion size arose in about 10% of reviews, with some diners feeling portions are small relative to cost, but the majority feel the quality justifies the price.