Celebrity Summit receives high marks for its attentive service, quality food, and enjoyable entertainment, with many guests praising the staff's friendliness and professionalism. The ship is generally described as clean and well-maintained, though some mention it is showing its age. Dining experiences are mostly positive, especially in specialty restaurants, but some guests found the main dining room food to be average or inconsistent. Entertainment and activities are well-received, though a few guests wished for more daytime options. Cabins are clean but can be small, especially for those with accessibility needs. Excursions and ports are often highlights, though some found certain tours overpriced or ports lacking in amenities. The ship is noted for a relaxed, less crowded atmosphere, and many feel the cruise offers good value for the price. Some negative feedback includes slow service in dining rooms, occasional maintenance issues, and limited specialty dining options. Overall, Celebrity Summit is recommended for its service, food, and overall cruise experience.