Dean's Italian Steakhouse is widely praised (about 85-90% of reviews) for its exceptional service, with many guests naming servers like Gabriella, Lexie, and Ayhan as highlights, describing staff as knowledgeable, attentive, and adding personal touches to celebrations. The ambiance receives almost universal acclaim, with words like "elegant," "cozy," "beautiful," and "special" frequently mentioned, making it a popular spot for anniversaries, birthdays, and romantic dinners. Food quality is lauded by 80% of reviewers, particularly steaks, pasta, and appetizers like bone marrow, crab cakes, and bread pudding, though a few note occasional bland pasta or overcooked/overseasoned steaks and mention high prices as expected for the caliber. Negative experiences are rare (under 10%), mostly citing service lapses, issues with table assignments, long waits, or specific dishes being underwhelming or heavily seasoned, while a handful describe disappointing management or staff interactions. Reservations are strongly recommended due to crowding, and the restaurant is located inside a Marriott, with valet and validated parking options; guests also appreciate happy hour deals and the ability to customize menu selections for dietary needs.