Koy is located in Boston, United States on 16 North St. Koy is rated 4.2 out of 5 in the category korean restaurant in United States. ated in Boston’s Faneuil Hall neighborhood, Koy serves a variety of Korean cuisine and Asian favorites. Every meal is prepared with fresh ingredients, including locally acquired seafood and produce. Koy offers online ordering, takeout and delivery services for convenience in addition to its bright and roomy dining room.rt out your meal with an order of handmade dumplings or tuna tartare. For the vegetarians in the group, Koy offers a wide variety of plant-based entrées. Try the bulgogi dip sandwich which comes topped with caramelized onions. For those craving American fare, try the kimchi burger. The restaurant offers a space for private parties and corporate gatherings.