Celebrity Summit receives high marks for its attentive service, quality food, and enjoyable entertainment, with many guests praising the ship's cleanliness and friendly staff. While most reviews are positive, some guests noted inconsistencies in food quality, slow dining service, and occasional issues with cabin size or ship age. Excursions and port experiences are generally well-received, though a few found certain tours overpriced or ports lacking in activities. Overall, the ship offers a relaxing and memorable cruise experience, especially for those seeking excellent service and a comfortable atmosphere.