Celebrity Summit receives high praise for its attentive service, quality food, and enjoyable entertainment, with many guests highlighting the ship's cleanliness and friendly crew. While most reviews are positive, some guests noted areas for improvement, such as occasional slow service in dining rooms, smaller staterooms, and inconsistent food quality. The ship's recent renovations and overall value are appreciated, though some found the ship showing its age. Excursions and specialty services generally receive favorable feedback, but accessibility and internet connectivity could be improved. Overall, the Celebrity Summit offers a satisfying cruise experience with a few minor drawbacks.