Ahoy Lighthouse The Ahoy range of mugs in the Nevis shape features beautiful nautical illustrations. Available in three different designs, this particular design depicts a vivid lighthouse blue against a choppy English shoreline.  Nevis Big chunky and very comfortable to drink from, Nevis shape fine bone china mugs have a generous capacity of 480ml. All designs are both dishwasher and microwave safe, with the exception of those featuring gold embellishment.