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 excursions. However, there are recurring criticisms regarding the consistency of food quality, organization of shore excursions, and internet connectivity. While many consider the cruise a good value for the luxury offered, some feel the pricing is high relative to certain shortcomings. Entertainment and activities are generally well-received, though some guests found them lacking compared to other luxury lines. Overall, the Mariner delivers a memorable and upscale cruise, with a few areas for improvement.