HMY Yachts Brings MDG Advertising Aboard as Agency of Record -- HMY Yachts, one of the largest yacht dealers and brokerage firms in the world, has partnered with MDG Advertising to develop and implement an integrated multichannel marketing strategy. HMY selected MDG based on the agency’s extensive experience and success in marketing such luxury and lifestyle brands as The Breakers Palm Beach, Round Hill Hotel and Villas, Estée Lauder, DKNY, and Clinique.