Mercato del Mare

I need to get to Mercato del Mare in the north end to buy some seafood. I will need assistance to the market from the Haymarket T station. I basically need to have someone walk with me to the store and back to the train. I'm not familular with the north end and I've never been to this place. I will meet you outside of the station. the store is located at 99 Salem St 02113