Regent Seven Seas Mariner receives high praise for its attentive service, luxurious accommodations, and overall cruise experience. Most guests highlight the professionalism and friendliness of the staff, the comfort and cleanliness of the ship, and the quality of the food. However, there are recurring criticisms regarding the consistency of food quality, the organization and quality of shore excursions, and the reliability of internet connectivity. While many guests feel the cruise offers good value for the luxury provided, some feel it is overpriced compared to competitors. Entertainment and activities are generally well-received, though some guests found them lacking compared to other luxury lines. Overall, the Mariner delivers a premium cruise experience with a few areas for improvement.